Adafruit Feather 32u4 RFM69HCW Packet Radio - 868 or 915 MHz (RadioFruit) FEATHERWING & B LED has a

& B LED has a 200 ohm resistor in series so you can power the backlight from 3V or 5VDC

) with this starter pack that includes a thermal printer and all the extras and save a few dollars while you're at it

Size: 61 x 58 x 21 mm (2

1x 10-pin header

3V connections since those are so useful

Adafruit Feather 32u4 RFM69HCW Packet Radio - 868 or 915 MHz (RadioFruit) FEATHERWING & B LED has aThe Adafruit Feather 32u4 Radio (RFM69HCW) 900MHz combines an ATmega32u4 microcontroller with a long range ISM band radio, offering flexible wireless networking, built in USB, and LiPo battery charging for portable, low power projects. This is the Adafruit Feather 32u4 Radio (RFM69HCW) 900MHz. We call these RadioFruits, our take on an microcontroller packet radio transceiver with built in USB and battery charging. Its an Adafruit Feather 32u4 with a