Adafruit Industries Adafruit Industries Feather 32u4 RFM69HCW Packet Radio - 868 / 915 MHz
This is the Adafruit Feather 32u4 Radio (RFM69HCW) 900MHz - our take on an microcontroller packet radio transceiver with built in USB and battery charging. Its an Adafruit Feather 32u4 with a 900 MHz radio module cooked in! This is the 900 MHz radio version, which can be used for either 868MHz or 915MHz transmission/reception. At the Feather 32u4's heart is at ATmega32u4 clocked at 8 MHz and at 3.3V logic, a chip setup we've had tons of experience with as it's the same as the Flora. This chip has 32K of flash and 2K of RAM, with built in USB so not only does it have a USB-to-Serial program & debug capability built in with no need for an FTDI-like chip, it can also act like a mouse, keyboard, USB MIDI device, etc.
Adafruit Industries Feather 32u4 RFM69HCW Packet Radio - 868 / 915 MHz
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