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pi-top 4 DIY Edition

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Community Article The Definitive Micro Computer Buying Guide — Micro Center Computers Computer Parts Custom PC Builder DIY/ Maker {$smarty.capture.menu} Activity Categories Discussions Computers Computer Parts Custom PC Builder DIY/ Maker Home › Reviews & Buying Guides The Definitive Micro Computer Buying Guide MicroCenterOfficial admin August 2021 edited August 2021 in Reviews & Buying Guides Written by Nick Beiderman Choosing a microcomputer board for a project can be a difficult task. Raspberry Pi alone offers a plethora of boards, each one having unique strengths and weaknesses based upon what you want to do with them. Then you get into Adafruit and Arduino’s microcontrollers and even more questions arise. But, before you reach choice paralysis, we’ve broken down 7 of the most common Raspberry Pi models (and take a quick detour to discuss Adafruit and Arduino), exploring what projects they excel at and what each board offers. We'll be taking a look at the Raspberry Pi 4 Model B The Raspberry Pi 4 Model B is the current flagship product from Raspberry Pi. This model features two USB 3.0 ports, two USB 2.0 ports, two Micro HDMI outputs, a 3.5mm audio jack, a gigabit Ethernet port, a USB-C port for power, a 40-pin header, and a camera input and display output. On the wireless side, the 4 Model B features WiFi and Bluetooth. The 4 Model B uses a Broadcom BCM2711 quad-core CPU, VideoCore VI GPU, and is available with 1, 2, 4, or 8GB RAM. For most uses, the 2 or 4GB model is a good balance of cost and performance. I’ve set up several 2 and 4GB models as servers for PLEX, PiHole, file sharing, and gaming. I keep an 8GB around for prototyping new projects. After I finish my prototype, I can check the RAM usage and buy a board that gives me the best performance at the best price. Raspberry Pi Zero The Raspberry Pi Zero is physically smaller than Raspberry Pi’s other single board computers, consumes less power, and comes in three different styles. While all three have less processing power than standard Pi boards, the base Zero model does not have wireless connections, nor header pins. The Zero W adds Bluetooth and WiFi, and the Zero WH adds wireless connectivity and has pre-soldered headers. All three versions use a Broadcom BCM2835 Microprocessor, have 512 MB RAM, and have two Micro USB ports (one for power, one for connecting devices via USB OTG), a camera connector, a Mini HDMI port, and a 40-pin header. The Zero is great for low-power projects, like portable displays or remote monitoring. With a bit of web development knowledge, you can create a web interface for your projects. Add in a little ad-hoc networking and you can access your systems wirelessly in areas that don’t have WiFi. The price is low enough I like to use the Zero W for all my projects, though you can save a few dollars by using the non-wireless version. Some of my favorite projects that utilize a Raspberry Pi Zero include a timelapse camera and a PiPod music player. The PiPod is a small, portable music player based on the Raspberry Pi Zero (image from raspberrypi.org/blog/pipod-pi-zero-music-player) Raspberry Pi 3 Model B+ The previous flagship model, 3 Model B+, is still widely available. It’s less powerful than the 4 Model B with a Broadcom BCM2837B0 and 1GB RAM. It features four USB 2.0 ports, a full-size HDMI port, a 3.5mm audio jack, gigabit Ethernet, a 40-pin header, WiFi, and Bluetooth. Power is provided via a Micro USB port. This model is generally a few dollars cheaper than the 4 Model B. The 3 Model B+ can be used for a lot of the same projects as the 4 Model B. While I’ve migrated most of my 3 Model B+ projects to 4 Model Bs, I still control my 3D printer with OctoPi running on a 3 Model B+. Raspberry Pi 3 Model A+ The 3 Model A+ falls in between the 3 Model B+ and the Zero. It uses the same Broadcom BCM2837BO as the 3 Model B+, but only has 512MB RAM. Connectivity is a bit more limited than other models, with only a single USB 2.0 port. Like the 3 Model B+, it features a full-size HDMI port, Micro USB for power, 3.5mm audio jack, camera, and display connectors, a 40-pin header, WiFi, and Bluetooth. However, it doesn’t have Ethernet networking, which makes it a better choice for some portable projects, like the PiGrrl, that benefit from the smaller size but don’t use much RAM. All of the models listed above feature a 40-pin header. 40-pin headers can be used to attach Hardware Attached on Top, or HATs, to expand functionality. Some of my favorite HATs include the POE HAT that allows me to power a Raspberry Pi via Ethernet, and Pimoroni’s Inky pHATs that add an eink display to the Pi. These pins can also be used as GPIO pins to control lights or relays, read inputs from buttons, switches, and other actuators, or provide connections via SPI and I2C. Raspberry Pi 400 The Raspberry Pi 4 Model B is also available in two unique form factors. First is the Pi 400. This all-in-one computer has the same form factor as the official Raspberry Pi keyboard but has a full computer built-in. On the back, there are three USB ports, a USB C port for power, two Micro HDMI ports, a 40-pin header, and gigabit Ethernet. This model is the perfect option for a micro desktop computer replacement, as it combines the computer and keyboard into one unit. All of the models listed above also feature a Micro SD card slot. The Micro SD card acts as the Raspberry Pi’s hard drive. It stores the operating system and any user files on the computer. Depending on the board, operating system, and system configuration, the Raspberry Pi can support cards up to 2TB. For most projects, I use 32GB cards as they tend to be the best bang for your buck, but I have used cards as big as 512GB for projects like my PiPod and PiGrrl. I frequently use Micro Center’s house brand cards for their excellent price and performance. The Raspberry Pi 400 is the perfect starting point for a clean, clutter free desk (Image from raspberrypi.org/products/raspberry-pi-400/) Raspberry Pi Compute Module 4 In addition to the 400, Raspberry Pi offers a compute module based on the 4 Model B. This version is sometimes referred to as the CM4 and is designed for use in embedded systems. The only connectivity is two high-density connectors on the bottom of the board. These connectors allow the CM4 to be connected to carrier boards to expand its functionality. The CM4 is great for projects that need specialized hardware controlled by a Raspberry Pi, such as the Gumstix flight controller for multirotor drones. Raspberry Pi offers an IO board for the CM4, which is necessary for flashing the operating system to the internal memory. There are a total of 32 variations available, with a range of RAM and internal storage options, and with or without wireless connectivity. All of the models listed above are fully-fledged single board computers. They run a Linux-based operating system and are great replacements for low-power computers. They can be used for servers, desktops, and complex control systems. They’re able to run multiple programs concurrently, and can easily be connected to monitors, keyboards, or mice. But now we’re going to shift into microcontrollers. Microcontrollers run a single program that starts when they are powered on and stops when they are powered off. Microcontrollers don’t have an operating system and are great for simple control systems, like automated light control, watering plants, or logging environmental conditions. While microcontrollers often feature SPI, I2C, and other communication methods to connect peripheral hardware, GPOI pins are the bread and butter of microcontrollers. These pins can serve as outputs, providing a voltage (usually 3.3v or 5v), or inputs, detecting whether or not a voltage is present. Raspberry Pi Pico The Raspberry Pi Pico is Raspberry Pi’s first microcontroller. It features 26 GPIO pins (of which three may be used as analog inputs), 2xSPI, 2xI3C, 2xUART, a serial debug port, and 16 PWM channels. There’re 20 header pins on each side, for a total of 40 pins. The spacing of these pins allows the Pico to be mounted to a breadboard for rapid prototyping or soldered to perf board or strip board for more permanent projects. The pin holes are castellated, meaning they can be soldered directly to a PCB. This makes the Pico a great option for small scale production products. The Pico can run code written in MicroPython or C++, and can include low-level assembly code. This flexibility makes it great for everything from quick projects in Python to high-performance projects written with C++ and assembly. The Pico offers an excellent variety of inputs and outputs in a small package While Raspberry Pi is one of the best-known names in the hobby board market, other companies like Arduino and Adafruit also produce well-known microcontrollers. Like the Raspberry Pi Pico, they run a single piece of code in a loop until they are powered off. This makes them great for simple projects like control or monitoring systems. They’re not well suited for servers, desktops, or other roles that require a more traditional computer with an operating system. While the Pico can generally be used in the same applications as boards from Adafruit and others, it’s not always the best choice. Depending on the project, you may need a board with more input and output pins. For very small or low-power projects, a smaller board might be a better fit. Since the Pico is fairly new, some ecosystems like Adafruit’s Feather line have a larger variety of peripheral accessories available than the Pico. Adafruit’s Feather ecosystem offers numerous mainboards and expansion “wings” (image from learn.adafruit.com/adafruit-feather) Now that you’ve got a handle on what each board is and what it does, you’re ready to start digging into the world of Pi! If you’re still not sure what board is right for you, start by asking yourself if a microcomputer or a microcontroller is right for your project. Single-board computers are larger and generally have higher power consumption, processing power, and cost. If you choose a microcontroller you’ll also want to consider the language you’ll be programming in, the number of pins, and available peripheral accessories. There’s no “one size fits all” board, but now you should be able to go out and choose the board that’s right for you. More from the Micro Center Community: Looking for more information about Raspberry Pi? We’ve got a Hobby Board section of the community, as well as Hobby Board guides like How to use a Wyze Cam V2 as a Webcam, Raspberry Pi Basics, and Using the Raspberry Pi Pico. And if you can’t find what you’re looking for, don’t hesitate to post a new discussion and the Community will be happy to help! 0 · Share on TwitterShare on Facebook Leave a Comment Rich Text Editor. To edit a paragraph's style, hit tab to get to the paragraph menu. From there you will be able to pick one style. Nothing defaults to paragraph. An inline formatting menu will show up when you select text. Hit tab to get into that menu. Some elements, such as rich link embeds, images, loading indicators, and error messages may get inserted into the editor. 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Services starting at $149.99 More Details Micro Center Homepage Desktops Laptops Computer Parts Computer Accessories Custom PC Builder Build Showcase Networking Electronics 3D Printing Service, Upgrades & Repairs Laptop Battery Replacement Laptop Screen Repair Virus and Malware Removal Hard Drive Recovery and Backup Apple MacBook Repair Custom Built PCs Schedule an Appointment © Vanilla Foundation Theme 2022 Powered By Vanilla Community Article How to turn your Raspberry Pi Zero into a Webcam — Micro Center Computers Computer Parts Custom PC Builder DIY/ Maker {$smarty.capture.menu} Activity Categories Discussions Computers Computer Parts Custom PC Builder DIY/ Maker Home › Consumer Tech › Hobby Boards & Projects How to turn your Raspberry Pi Zero into a Webcam Minoso admin May 2020 edited June 2020 in Hobby Boards & Projects We all know how hard it can be sourcing a webcam right now, and while there are some alternatives like the Wyze Cam V2 we did a guide on, here’s another fun one, especially for those of you who are DIY inclined! In this guide we will work through converting a Raspberry Pi Zero into a webcam that you can plug in as if it were made to come that way. There are two different methods: a simple one using a pre-made kit Micro Center created, and a do-it-yourself guide for those of you who want see exactly how it all works The method using the pre-made image is the simpler of the two, because we have already created a custom Raspbian OS image with all the coding and setup done already for this purpose. Pretty much all you have to do is download it, write it to a microSD card, then put it all together and plug it in. Click here to be taken to the guide using our pre-made image The DIY guide is much more in depth, and will cover everything needed to do this from scratch. All the steps used in the DIY guide are what we used to make the custom image ourselves, so if you want to do all the coding and see how it works, you can take it step by step. Click here to be taken to the DIY guide 0 · Share on TwitterShare on Facebook Comments TSTonyV admin June 2020 edited June 2020 How to set up the Raspberry Pi Zero W Webcam using our premade Image If you're new to Raspberry Pi doing something like this may seem a little daunting at first. As such, Micro Center decided to create a custom Raspbian image with everything already configured for you. You just need to assemble it, install the software, and you'll be good to go! Hardware you will need: Any Pi Zero model Pi camera Raspberry Pi Zero Case USB Type-A to Micro USB Type-B cable Windows PC SD card adapter (If your computer does not have one) microSD card Software you will need: Raspberry Pi Imager (Download and install) Custom Raspbian image (Save for later) Bonjour Services (Download and install) IP Camera Adapter (Download and install. Ignore any errors saying a module failed to install, just press ignore and finish the installation.) Preparing our custom image for the Pi: Note: Micro Center did have some pre-made kits available for purchase in store, with all the hardware included, along with a microSD card that already has the Raspbian image on it. If you purchased that kit, skip down to Assembling the Pi. Insert the microSD card into your computer. You may need a USB microSD card reader if your system doesn’t have an SD card slot built-in Open Raspberry Pi Imager and select Choose OS Scroll to the bottom and choose Use custom. Navigate to where you downloaded our custom Raspbian image, select picam.zip and click open. Select your microSD card (MAKE SURE TO SELECT THE RIGHT ONE – Selecting the wrong one could result in data loss) Select Write, this will flash the microSD card and verify it. Once this process is done, you'll get a prompt letting you know it can be removed from the computer. Remove your SD card and insert it into your Pi. Assembling the Pi First we need to assemble everything. Our Pi case comes with a few swappable top pieces, but we are going to be using the top with a hole in the middle. 1. Take your Pi camera and detach the cable that comes with it. To do this, you must push up both sides as shown below. 2. Lightly pull the cable out. Now we need to insert the cable that came with our case. 3. Insert the larger side of the cable into the camera interface with the pins facing the same side as the camera. 4. Push the piece back down so that it locks the cable in place. 5. Now unlock the Pi’s camera interface and insert the smaller end of the cable. The pins should be facing the back side of the Pi. 6. Once we have the cable pushed in, lock it down as we did with the camera interface. Put in the microSD card, then we can insert our Pi into our case. (It may be a tight fit, that is normal). Insert it so the ports on the PI match up with the holes in the case. The Pi should lock in place and fit snug in our case by pushing it down, there are a few pegs that line up with the holes on each corner of the Pi. The cable may need to be bent to fit in, but don’t worry about that, the cables are made to handle this. Now grab the top we mentioned earlier and fit the camera into it. It will only fit one way, so once we have that seated, we can pull the top onto the pi to finish assembling the case. The final product should look like this before closing the lid. 7. We need to download IP Camera Adapter 3.1. Go to https://ip-webcam.appspot.com/ and click download, then run the .msi file it downloads. If it pops an error saying a module failed to install just press ignore and finish the installation. Now we just need to open it up and point it to our Pi. Type camera adapter into your taskbar and open Configure IP Camera Adapter 8. In the Camera feed URL, type or copy/paste raspberrypi.local:8080/?action=stream and click Apply and OK. If this works, it’s time to test this out for real! Open up your app of choice. If using Skype, make sure you download the standalone desktop client from https://www.skype.com/en/ (Microsoft Camera and other default Windows 10 apps cannot see our MJPEG camera device, so the built-in version of Skype in Windows 10 will not work). Make sure your camera is set to MJPEG Camera to show you the proper feed. Once set, you’ll see the Pi Camera and that’s it. Enjoy your webcam! 0 · Share on TwitterShare on Facebook TSTonyV admin June 2020 edited June 2020 DIY Pi Zero Webcam Setup For those of you who want to learn how to do the setup yourself, this is a comprehensive guide that will walk you through all the steps to turn your Raspberry Pi Zero into a webcam. This is the same process we used to create the microSD cards in the pre-made bundle. We'll go over all the software and tools used, as well as how to configure the Raspbian OS properly to make it all work. Hardware you will need: Any Pi Zero model Pi camera Raspberry Pi Zero Case USB Type-A to Micro USB Type-B cable Windows PC SD card adapter (If your computer does not have one) microSD card Software you will need: From your PC (we are using a PowerSpec running Windows 10 Pro for ours) navigate to https://downloads.raspberrypi.org/raspbian_lite_latest and download Raspian Lite. This will download a zip file containing the operating system for the Raspberry Pi Zero. We will be using Etcher to burn our Raspbian image to our microSD card. Etcher will work on Windows, Linux, and macOS and can be downloaded from here https://www.balena.io/etcher A video chat program that supports changing the camera (Skype, Zoom, Discord, etc). You may also need to download Bonjour services. If your system doesn’t have these installed you won’t be able to connect to the Pi Zero. Bonjour services can be downloaded here: https://download.info.apple.com/Mac_OS_X/061-8098.20100603.gthyu/BonjourPSSetup.exe Preparing the microSD card for the Pi: 1. Insert the microSD card into your computer. You may need a USB microSD card reader if your system doesn’t have an SD card slot built-in 2. Open Etcher and press Select image 3. Navigate to where you downloaded the Raspbian Lite image, select the .zip file and click open 4. Select your microSD card (MAKE SURE TO SELECT THE RIGHT ONE – Selecting the wrong one could result in data loss) 5. Click Flash! Then click OK on the User Account Control prompt. This may take a few minutes to complete depending on your hardware, maybe go grab a coffee while you wait. 6. Eject the microSD card/drive and re-insert it. 7. A new drive should appear called Boot. If it does not automatically open, navigate to File Explorer or My Computer and open the drive (it should be listed on the left). We need to modify two specific files: cmdline.txt and config.txt Note: If you are prompted to format the drive click cancel. You may also be prompted telling you the drive is not accessible, if so hit OK. 8. Right-click and open config.txt with Wordpad and add this to the bottom: dtoverlay=dwc2. Make sure you save before you close it. Or… You can copy the snippet of code below and paste it in replacing what is in your file. # For more options and information see # http://rpf.io/configtxt # Some settings may impact device functionality. See link above for details # uncomment if you get no picture on HDMI for a default "safe" mode #hdmi_safe=1 # uncomment this if your display has a black border of unused pixels visible # and your display can output without overscan #disable_overscan=1 # uncomment the following to adjust overscan. Use positive numbers if console # goes off screen, and negative if there is too much border #overscan_left=16 #overscan_right=16 #overscan_top=16 #overscan_bottom=16 # uncomment to force a console size. By default it will be display's size minus # overscan. #framebuffer_width=1280 #framebuffer_height=720 # uncomment if hdmi display is not detected and composite is being output #hdmi_force_hotplug=1 # uncomment to force a specific HDMI mode (this will force VGA) #hdmi_group=1 #hdmi_mode=1 # uncomment to force a HDMI mode rather than DVI. This can make audio work in # DMT (computer monitor) modes #hdmi_drive=2 # uncomment to increase signal to HDMI, if you have interference, blanking, or # no display #config_hdmi_boost=4 # uncomment for composite PAL #sdtv_mode=2 #uncomment to overclock the arm. 700 MHz is the default. #arm_freq=800 # Uncomment some or all of these to enable the optional hardware interfaces #dtparam=i2c_arm=on #dtparam=i2s=on #dtparam=spi=on # Uncomment this to enable infrared communication. #dtoverlay=gpio-ir,gpio_pin=17 #dtoverlay=gpio-ir-tx,gpio_pin=18 # Additional overlays and parameters are documented /boot/overlays/README # Enable audio (loads snd_bcm2835) dtparam=audio=on [pi4] # Enable DRM VC4 V3D driver on top of the dispmanx display stack dtoverlay=vc4-fkms-v3d max_framebuffers=2 console=serial0,115200 console=tty1 root=PARTUUID=738a4d67-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait modules-load=dwc2,g_ether [all] #dtoverlay=vc4-fkms-v3d dtoverlay=dwc2 9. Next open up cmdline.txt and add this between rootwait and quiet: modules-load=dwc2,g_ether. Save and exit. Note: If you do not see "quiet" you likely have booted this SD card in the pi. Just add the code to the end like we did previously 10. Make sure your folder view in File Explorer allows you to see file extensions. Go to View at the top and check “file name extensions.” 11. Next, we need to create a new file called SSH With the Boot drive opened, right click anywhere within it, select new and select text document Name the new .txt file SSH, then make sure you delete the .txt extension after it. You’ll get a prompt saying if you change the file name extension, it may be unusable. That’s fine, click Yes to confirm the change. The file should just show as SSH now, this will allow us to connect via SSH once our Pi fully boots. (more on that later) 12. Eject your microSD card and insert it into your Pi. Setting up the Camera Now we need to assemble everything. Our Pi case comes with a few swappable top pieces, but we are going to be using the top with a hole in the middle. 13. Take your Pi camera and detach the cable that comes with it. To do this, you must push up both sides as shown below. 14. Lightly pull the cable out. Now we need to insert the cable that came with our case. 15. Insert the larger side of the cable into the camera interface with the pins facing the same side as the camera. 16. Push the piece back down so that it locks the cable in place. 17. Now unlock the Pi’s camera interface and insert the smaller end of the cable. The pins should be facing the back side of the Pi. 18. Once we have the cable pushed in, lock it down as we did with the camera interface. Now we can insert our Pi into our case. (It may be a tight fit, that is normal). Insert it so the connectors match the ports on the case. The Pi should lock in place and fit snug in our case by pushing it down, there are a few pegs that line up with the holes on each corner of the Pi. The cable may need to be bent to fit in, but don’t worry about that, the cables are made to handle this. Now grab the top we mentioned earlier and fit the camera into it. It will only fit one way, so once we have that seated, we can pull the top onto the pi to finish assembling the case. The final product should look like this before closing the lid. 19. Now it’s time to boot up our Pi for the first time. We need to plug our USB to microUSB cable into the computer and into our Pi. Since our Pi has two micro USB ports, we will be using the port closest to the middle so we can SSH into it from our computer. SSH is how we interface with the Pi over a data connection, think of it like a gateway to our terminal. Since Windows doesn’t have an SSH client, we will need to download one. The most common SSH client is known as Putty, and it can be downloaded here: https://the.earth.li/~sgtatham/putty/latest/w64/putty.exe Make sure you save it somewhere you can easily access it, as this is not an installer, it’s a standalone .exe file so you can run it from anywhere. Once its downloaded, run it and you will see a screen like this: 20. Yours will be empty if this is your first time opening it. First, we need to create a new connection. To do this, type a name for your pi into the saved sessions box, then type raspberrypi.local into the hostname box and click save. If done correctly you will see your new saved session below the saved sessions box. 21. Double click on the name you gave it and you should now be presented with a warning of a potential security breach. This is normal to see if this is your first time connecting to your Pi. Once you click yes, it will not pop up again. Now it’s time to sign into your Pi. Raspbian’s default user is pi and default password is raspberry. While typing your password, it won’t show you anything on the screen. This is done for security reasons, so enter raspberry and press enter and you’ll be logged into your Pi. Now we need a network to continue. 22. With your Pi still powered on and connected to our computer, search in the taskbar for network status and open Network Status. You can also click your Start Button, go to Settings, then open Network and Internet and you’ll be in the status menu. Click Change adapter options and a new window will open up and show you all of your network adapters. One of them will have “USB Ethernet/RNDIS Gadget” under the name. Remember which connection show that because that is the connection to our Pi. My pi’s connection name is Ethernet 4 and my primary internet connection is named Ethernet 1. 23. Right click on your primary internet adapter and click properties. At the top you will see sharing. Click this and check the top box to allow other network users to connect through it and select your Pi’s connection. Click ok to close the window. Now unplug the pi and plug it back in. This will reboot your Pi and share your connection. This will also terminate our SSH session. For now, we will close Putty. Note: If you are familiar with Linux, you can bring the interface down and back up, but for the sake of simplicity, we will just unplug and plug it back in. 24. It may take up to 90 seconds for our Pi to fully reload. Open Putty again and double click our sessions name to log back in. Same details as last time, pi for username and raspberry for password. Now we can move onto installing the required software. Type the following command and hit enter: sudo apt-get update && sudo apt-get install cmake git libjpeg8-dev -y 25. After our above command finishes, we need to type and run sudo raspi-config and navigate to interfacing options. Select Camera and enable it. Navigate to finish and press enter to save everything. It will ask to reboot, select yes and let it reboot, then restart Putty. 26. Now we need to get mjpg-streamer. We will be using this to stream our webcam via our network on the Pi. Run the following command: git clone https://github.com/jacksonliam/mjpg-streamer 27. Once that finishes, run this command: cd mjpg-streamer/mjpg-streamer-experimental && make && sudo make install 28. Once that command finishes, we need to run a test to ensure it works. While in the ~/mjpg-streamer/mjpg-streamer/experimental directory, run this command: mjpg_streamer -i input_uvc.so -o output_http.so 29. If you see a red light on your camera, you’re live! It’s time to set it up so our camera starts automatically when we plug in the Pi. We need to first close out of our running stream. To do this, hold down ctrl and press C. Wait a few minutes and you should see our [email protected]:~ $ line again. If not, hold ctrl and press Z to get back to that line. 30. Now we need to make a script to run at startup. Type and run nano ~/cam.sh, then paste in the following. #!/bin/bash cd /home/pi/mjpg-streamer/mjpg-streamer-experimental mjpg_streamer -i input_uvc.so -o output_http.so Make sure the lines match up exactly as they are listed here. Now hold ctrl and press X. It will ask if you wish to save, press y for yes and enter to save and close. 31. Run the command chmod +x ~/cam.sh , then run the command crontab -e 32. It will ask which editor you prefer, press 1 for nano and enter to confirm. Now you will see our Pi user’s crontab. At the top, press enter to make a new line, and add PATH=~/bin:/usr/bin/:/bin:/usr/local/bin/, then go to the bottom of the file and enter @reboot /home/pi/cam.sh, like so: PATH=~/bin:/usr/bin/:/bin:/usr/local/bin/ # Edit this file to introduce tasks to be run by cron. # # Each task to run has to be defined through a single line # indicating with different fields when the task will be run # and what command to run for the task # # To define the time you can provide concrete values for # minute (m), hour (h), day of month (dom), month (mon), # and day of week (dow) or use '*' in these fields (for 'any'). # # Notice that tasks will be started based on the cron's system # daemon's notion of time and timezones. # # Output of the crontab jobs (including errors) is sent through # email to the user the crontab file belongs to (unless redirected). # # For example, you can run a backup of all your user accounts # at 5 a.m every week with: # 0 5 * * 1 tar -zcf /var/backups/home.tgz /home/ # # For more information see the manual pages of crontab(5) and cron(8) # # m h dom mon dow command @reboot /home/pi/cam.sh 33. Just like our cam file, hold ctrl and press X, then hit y and enter to save and exit. Now we just need to reboot the pi to confirm it works. Run sudo reboot and wait for it to reboot. In about 30 seconds, your camera should light up red again. This means our script works and now we can work on getting our camera streaming to our PC. 34. We need to download IP Camera Adapter 3.1. Go to https://ip-webcam.appspot.com/ and click download, then run the .msi file it downloads. If it pops an error saying a module failed to install just press ignore and finish the installation. Now we just need to open it up and point it to our Pi. Type Camera into your taskbar and open Configure IP Camera Adapter 35. Now in the Camera feed URL, enter raspberrypi.local:8080/?action=stream and click Apply and OK. If this works, it’s time to test this out for real! Open up your app of choice. If using Skype, make sure you download the standalone desktop client from https://www.skype.com/en/ (Microsoft Camera and other default Windows 10 apps cannot see our MJPEG camera device, so the built-in version of Skype in Windows 10 will not work). Make sure your camera is set to MJPEG Camera to show you the proper feed. Once set, you’ll see the Pi Camera and that’s it. Enjoy your webcam! 1 · Share on TwitterShare on Facebook TS_JosephF admin July 2020 We also have another Raspberry Pi article on our forum. Be sure to check it out! How to make a NAS with a Raspberry Pi using Linux (2020) 1 · Share on TwitterShare on Facebook Categories 7.9K All Categories 1.2K The Blog 60 What's Trending 15 Past News and Updates 185 How to & Technical Guides 13 Computer Hardware 119 Software 3 Home Office 6 Networking 2 Audio/Visual 2 Home Automation 20 3D Printers 20 Maker 32 PC Build Guides 120 Reviews & Buying Guides 55 Build Showcase 27 Contests 48 Past Contests 1.6K The Community 1.9K General Discussion 105 New Members 246 Consumer Tech 67 Prebuilt PCs and Laptops 100 Software 8 Audio/Visual 27 Networking & Security 1 Home Automation 3 Digital Photography 3 Content Creators 22 Hobby Boards & Projects 33 3D Printing 69 Retro Arcade/Gaming 92 All Other Tech 1.6K Store Information and Policy 77 Off Topic 16 Community Ideas & Feedback 120 Your Completed Builds 2.9K Build-Your-Own PC 1.9K Help Choosing Parts 251 Graphics Cards 200 CPUs, Memory, and Motherboards 73 Cases and Power Supplies 23 Air and Liquid Cooling 26 Monitors and Displays 33 Peripherals 19 All Other Parts 28 Featured Categories We love seeing what our customers build Submit photos and a description of your PC to our build showcase Submit Now Looking for a little inspiration? See other custom PC builds and get some ideas for what can be done View Build Showcase View builds by: AMD Processors Intel Processors RTX 3090 RTX 3080 RTX 2080 Ti RTX 2080 Super RTX 2070 Super RTX 2070 RTX 2060 Super Radeon RX 5700XT Radeon RX 5700 Air Cooled Liquid Cooled SAME DAY CUSTOM BUILD SERVICE If You Can Dream it, We Can Build it. Services starting at $149.99 More Details Micro Center Homepage Desktops Laptops Computer Parts Computer Accessories Custom PC Builder Build Showcase Networking Electronics 3D Printing Service, Upgrades & Repairs Laptop Battery Replacement Laptop Screen Repair Virus and Malware Removal Hard Drive Recovery and Backup Apple MacBook Repair Custom Built PCs Schedule an Appointment © Vanilla Foundation Theme 2022 Powered By Vanilla Community Article How to Set Up a Raspberry Pi Media Server — Micro Center Computers Computer Parts Custom PC Builder DIY/ Maker {$smarty.capture.menu} Activity Categories Discussions Computers Computer Parts Custom PC Builder DIY/ Maker Home › How to & Technical Guides › Maker How to Set Up a Raspberry Pi Media Server Cfresh Columbus, Ohio admin August 2021 edited September 2021 in Maker How often do you go to check Netflix to find your favorite movie and it's not on the site? don't you wish there was some way to take all the old DVDs lying around your house and watch them on any of your devices? A Pi media server is just for you! With a Pi media server, you can take all of those old movies around your house and upload them to the server to watch from anywhere. How Does a Raspberry Pi Media Server Work? The server runs off a program called Kodi. Kodi is a media server application made for this purpose specifically. It runs on your Raspberry Pi via ethernet so you can easily plug it in and let it do its thing. You can then upload movies, songs, pictures, and TV shows to the server and view them from anywhere. It's like your own personal Netflix that you create! What You Will Need to Set Up a Raspberry Pi Media Server Raspberry Pi (With ethernet port) Micro SD Card Micro SD card adapter An external display (like a monitor) KODI External Storage for movies/music/media Setting up Kodi on your Pi Before starting up anything you'll need to make sure Raspberry Pi OS is installed on the Pi. We already have a great guide on how to do this here. Starting off you will need to download Kodi. You can do so by opening the terminal by hitting the terminal icon at the top of the screen and typing in the command: sudo apt-get install kodi Once you enter this command it may prompt you to say yes or no. Type "y" and push enter, and the command prompt will download Kodi for you. Once complete type "Kodi" into the command prompt and it will launch. Next, there are some settings you have to configure. Select the gear icon in the top left to access settings. Select "Services" Check the bubble on the right side for "Enable UPNP Support" to allow your server to be discoverable from other devices. Setting Up Media Storage To set up a media server you will need an external storage device hooked up to your Pi. But first, you will need to Format so Hook the device up to your PC via USB. Next, you will right-click on the drive located in "This PC" and select "Format." Make sure that the External storage is set to file system FAT32, name the volume and press start to format the drive. Once formatted you can add your movies, photos, and music to the drive. Now we are going to identify the source for the library. Connect the drive to the Pi and select the gear icon again. Select Media Select the Library tab and under Manage Sources select the type of media you are trying to put on the server (videos, music, or pictures) Select Add Music... Once here select Browse. Now navigate to the USB drive by selecting navigating to Root filesystem/media/pi/ESD-USB. Once you get your attached storage device, select ok in the corner. Now that the storage drive is selected press ok. You have now identified your library! The next step, view your media from anywhere in the house. Viewing your media Now that your library is identified, you will need to get other devices on your network to view it. In this case, I am using a Macbook Air with Kodi installed but you can do it with any device with Kodi. Go ahead and select the type of media you would like to view and hit Enter Files Section Select Add Videos... Select UPnP Devices And As long as you are on the same network as your Pi it should show up here! Now you can view all of your movies from any device as long as you have them in your server library from anywhere in your home. Enjoy your at-home custom streaming service. More from the Micro Center Community: Looking for more information about Raspberry Pi? We’ve got a Hobby Board section of the community, as well as Hobby Board guides like The Definitive Micro Computer Buying Guide, Raspberry Pi Basics, and How to Create a Retro Game Console With Raspberry Pi. And if you can’t find what you’re looking for, don’t hesitate to post a new discussion and the Community will be happy to help! 0 · Share on TwitterShare on Facebook Comments JRC ✭✭ September 2021 External storage - How much per movie? 0 · Share on TwitterShare on Facebook LandShark admin September 2021 @JRC The amount of storage that a movie will take up would depend on the length, compression, and quality of the movie. High definition files typically take up to 2-4 GB. 1 · Share on TwitterShare on Facebook Categories 7.9K All Categories 1.2K The Blog 60 What's Trending 15 Past News and Updates 185 How to & Technical Guides 13 Computer Hardware 119 Software 3 Home Office 6 Networking 2 Audio/Visual 2 Home Automation 20 3D Printers 20 Maker 32 PC Build Guides 120 Reviews & Buying Guides 55 Build Showcase 27 Contests 48 Past Contests 1.6K The Community 1.9K General Discussion 105 New Members 246 Consumer Tech 67 Prebuilt PCs and Laptops 100 Software 8 Audio/Visual 27 Networking & Security 1 Home Automation 3 Digital Photography 3 Content Creators 22 Hobby Boards & Projects 33 3D Printing 69 Retro Arcade/Gaming 92 All Other Tech 1.6K Store Information and Policy 77 Off Topic 16 Community Ideas & Feedback 120 Your Completed Builds 2.9K Build-Your-Own PC 1.9K Help Choosing Parts 251 Graphics Cards 200 CPUs, Memory, and Motherboards 73 Cases and Power Supplies 23 Air and Liquid Cooling 26 Monitors and Displays 33 Peripherals 19 All Other Parts 28 Featured Categories We love seeing what our customers build Submit photos and a description of your PC to our build showcase Submit Now Looking for a little inspiration? See other custom PC builds and get some ideas for what can be done View Build Showcase View builds by: AMD Processors Intel Processors RTX 3090 RTX 3080 RTX 2080 Ti RTX 2080 Super RTX 2070 Super RTX 2070 RTX 2060 Super Radeon RX 5700XT Radeon RX 5700 Air Cooled Liquid Cooled SAME DAY CUSTOM BUILD SERVICE If You Can Dream it, We Can Build it. Services starting at $149.99 More Details Micro Center Homepage Desktops Laptops Computer Parts Computer Accessories Custom PC Builder Build Showcase Networking Electronics 3D Printing Service, Upgrades & Repairs Laptop Battery Replacement Laptop Screen Repair Virus and Malware Removal Hard Drive Recovery and Backup Apple MacBook Repair Custom Built PCs Schedule an Appointment © Vanilla Foundation Theme 2022 Powered By Vanilla Community Article Raspberry Pi Basics — Micro Center Computers Computer Parts Custom PC Builder DIY/ Maker {$smarty.capture.menu} Activity Categories Discussions Computers Computer Parts Custom PC Builder DIY/ Maker Home › How to & Technical Guides › Maker Raspberry Pi Basics NickBiederman admin December 2020 edited April 20 in Maker Updated 3/14/22 Setting up a Raspberry Pi often involves several basic processes that are the same for every project. This post is meant to serve as a beginner’s guide to some of those processes so you can reference it while working on your project. Flashing an OS with the Raspberry Pi Imager Flashing an operating system to your SD card is one of the most basic tasks when setting up a Raspberry Pi. While you can buy SD cards with an operating system or NOOBS pre-installed, it’s cheaper to start with a blank card and flashing the OS yourself opens up a wide range of specialized operating systems. Some of my favorites include Octopi and Volumio. Start by downloading the Raspberry Pi imager from the Raspberry Pi website and installing it on your computer. You’ll need administrator access to install and run the program. If you plan to use a specialized image like those listed above, download and save the image file from the publisher as well. After installing the imager, plug your microSD card into the computer (you may need a card reader, like this two in one version) and launch the imager. Click “Choose OS”. Next, you’ll need to decide if you want to use a default OS (like Raspbian or Retropie) or not. If you want to use a default OS, simply click the name of the OS in the window. If you’re using a different image, scroll to the bottom and click “Use Custom”. This will open a file explorer you’ll use to navigate to the image you downloaded earlier. Select the image and click “Open”. n this case, I selected "MasterAtariNoobs.img". Next, click “Choose SD card” and select the appropriate drive in the pop up window. Make sure you don’t select the wrong drive as the drive will be erased. Finally, click “Write”. The imager will go through a writing phase then a verify phase. Once this is done, the card is ejected and you’re good to go. Setting up Wi-Fi and SSH for “Headless” systems Not all projects are conducive to a keyboard, mouse, and monitor. Sometimes it’s better to access your pi via SSH. This is easy if you have an ethernet connection available, but can be problematic if you need to use Wi-Fi. Thankfully, there’s a method for configuring Wi-Fi before even booting your pi. First, we’ll enable SSH. Plug your SD card into your computer and navigate to the drive labeled “Boot”. Create a file names “ssh” with no file extension and save it here. The file should be empty and not have a file extension like “.txt”. You can use any text editor to create an empty .txt file and save it to the boot drive. You can then rename the file to remove the file extension. If you’re using Ethernet, you can now eject the card from your PC and boot your Pi. You’ll be able to access it from a terminal using “ssh [email protected]”, where is the IP address assigned your pi. If you’re on Windows, you can use Putty or WSL to connect via SSH. It's important to change your password after enabling SSH. This can be done with Raspi Config, described in the next comment. Connecting Wi-Fi is similar to enabling .ssh. Create a .txt file named “wpa_supplicant.conf” with the following content:

ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev

update_config=1

country=US

network={

ssid="”

psk=""

key_mgmt=WPA-PSK

}

Printable Micro Center Raspberry Pi 4 Case

With all of the excitement around the launch of the Raspberry Pi 4 Model B, we here at Micro Center wanted to offer the community a chance to download and print your own case! Please find the .stl files below available for download at no cost! Make sure to stop in to Micro Center for all of your 3D printing and filament needs!

Download Links

TopCase.stl
BottomCase.stl

Suggested Print Settings (example using a 3D Printer):

land PLA 1.75mm - color of your choice
Filament Temperature - 210
Speed - 50m/x
Layer Height - .2
Outer Walls - .8
Top Layers - 3
Infill - 13%
Heated Bed first layer - 60 degrees
Heated Bed all other layers - 50 degrees

© Vanilla Foundation Theme 2022 Powered By Vanilla Community Article Using the Raspberry Pi Pico — Micro Center Computers Computer Parts Custom PC Builder DIY/ Maker {$smarty.capture.menu} Activity Categories Discussions Computers Computer Parts Custom PC Builder DIY/ Maker Home › How to & Technical Guides › Maker Using the Raspberry Pi Pico MicroCenterOfficial admin January 2021 edited April 5 in Maker The freshly-released Pico is Raspberry Pi's first venture into Arduino boards. But without an on-board OS like Raspberry Pi's other boards, the Pico's utility is a bit more niche and might require a bit of an explanation for newcomers and veterans alike. That's where we come in. Getting Started with MicroPython The Raspberry Pi Pico is very straightforward. You'll need a Linux, Windows, Mac PC, or a Raspberry Pi set up as a desktop. You'll need to install MicroPython on your Pico. Visit https://pico.raspberrypi.org/getting-started/ and click on "Getting started with MicroPython." Download the UF2 file and follow the instructions under "Drag and drop MicroPython." You'll also need to download and install Thonny. Thonny is a Python Integrated Development Environment, or IDE and console in one, allowing you to write code and interact with the Pico in the same program. Thonny is available on all platforms and is preinstalled on the Raspberry Pi OS. Thonny Setup After installing and launching Thonny, click "Select Interpreter" under "Run." Next, set the interpreter to "Micro Python (Generic)" and choose the proper port. I've had good luck with the automatic port selection option, but you may need to select a port manually. Hello World Script Our first script will be the classic "Hello World" script. Enter the following text in the text editor: print("Hello World") Then click the "Run" icon under "View" and "Run" in the menu bar. It's a green circle with a white "play" icon in it. Thonny will ask where you would like to save the file. Select MicroPython device and give the file a descriptive name, like "hello.py" – make sure to include the .py. You should see the text "Hello World" in the terminal at the bottom of the window. Setting up LED Blink Our next script will be a single blinking LED. Using a breadboard, an LED, and a 1k resistor, wire up the following circuit: In this circuit, we connected the positive side of the LED to GPIO 1 and the negative side ground with a 1k resistor. This resistor is called a current limiting resistor, and it reduces the amount of current flowing through the circuit by increasing the total resistance of the circuit. The value of this resistor isn't significant. A few hundred ohms is adequate. The higher the value of the resistor, the dimmer the LED will be. Current limiting resistors serve to protect the LED and keep it from burning out. Since the Pico uses 3.3v logic, you can usually get away without a current limiting resistor, but it's a good idea to include one to be safe. Replace the hello world code with the following code and run it as described above: import machine #library for hardware; allows us to access pins import time #for delays redLed = machine.Pin(1, machine.Pin.OUT) #initialize GPIO 1 as output for red LED while (1): #infinite loop; runs until manually stopped redLed.toggle() #if LED is on, turn off. Else, turn on. time.sleep(.5) #pause for 1/2 second
This will turn the LED on for half a second then off for half a second until the code is interrupted. You may have noticed some words change colors when you paste or type this into Thonny. Thonny highlights specific keywords to make them easier to identify. For example, control keywords (like "while" and "import") are bold magenta, and strings (anything surrounded by quotation marks) are green. Comments, which are anything preceded by a #, show up in light gray. These aren't part of the code but are used to explain what the code is doing. We can make things a little more interesting by wiring up this circuit: This is essentially the same circuit as the last example, but it has been duplicated two times. After wiring up this circuit, run the following code: import machine #library for hardware; allows us to access pins import time #for delays redLed = machine.Pin(1, machine.Pin.OUT) #initialize GPIO 1 as output for red LED yellowLed = machine.Pin(2, machine.Pin.OUT) #initialize GPIO 2 as output for yellow LED greenLed = machine.Pin(3, machine.Pin.OUT) #initialize GPIO 3 as output for green LED redLed.value(0) #Turn off red LED yellowLed.value(0) #turn off yellow LED greenLed.value(0) #turn off green LED while (1): #infinite loop; runs until manually stopped redLed.toggle() time.sleep(.5) redLed.toggle() yellowLed.toggle() time.sleep(.5) yellowLed.toggle() greenLed.toggle() time.sleep(.5) greenLed.toggle() yellowLed.toggle() time.sleep(.5) yellowLed.toggle() The LEDs will flash in red, yellow, green, and yellow until the script is interrupted. Pushbutton Input Next, we'll look at some simple inputs with a pushbutton. Wire up this circuit using the same components we used before, plus a pushbutton: Here we have removed the yellow LED and installed a pushbutton. One side of the button is wired to GPIO 4, and the other is wired to 3.3v. Notice we're using two legs on opposite corners of the pushbutton rather than the same side. It is the easiest way to ensure the contacts you use aren't connected inside the switch. Next, load and run this code:

import machine #library for hardware; allows us to access pins import time #for delays redLed = machine.Pin(1, machine.Pin.OUT) #initialize GPIO 1 as output for red LED greenLed = machine.Pin(3, machine.Pin.OUT) #initialize GPIO 3 as output for green LED button = machine.Pin(4,machine.Pin.IN) #initialize GPIO 4 as input for button redLed.value(0) #set LED initial values greenLed.value(1) while(1): if button.value(): #if button is pressed, button.value == 1 redLed.toggle() #Toggle the LEDs greenLed.toggle() time.sleep(.5) #Pause for half a second #If the button isn't pressed nothing happens and the while loop executes again