Adafruit Feather 32u4 RFM69HCW Packet Radio - 868/915 MHz

Adafruit Feather 32u4 RFM69HCW Packet Radio - 868/915 MHz — Adafruit — 0704256796228

Feather board combining ATmega32u4 with an RFM69HCW 900 MHz packet radio transceiver. Includes USB and LiPo charging. Suited for license-free ISM-band point-to-point or mesh sensor networks.

Pinout

Logical pinout · physical placement not verified
ADAFRUIT FEATHER 32U4 GND#11BAT#12A11USB#13ENA0 thru A53VSCK#0RXMOSI#1TXMISO#2SDA#8#3SCL#7#5#4#6A7RST#9A9ARef#10A10

2 grouped source records are expanded into separate logical pads where unambiguous; physical placement is not implied.

  • GNDpower pins
    Type · Ground
  • BATBAT
    Type · Power
  • USBUSB
    Type · USB
  • ENEN
    Type · Control
  • 3V3V
    Type · Power
  • #0RX#0
    Type · UART, Signal
  • #1TX#1
    Type · UART, Signal
  • #2SDA#2
    Type · I2C, Signal
  • #3SCL#3
    Type · I2C, Signal
  • #5#5
    Type · Signal
  • #6A7#6
    Type · Analog, Signal
  • #9A9#9
    Type · Analog, Signal
  • #10A10#10
    Type · Analog, Signal
  • #11#11
    Type · Signal
  • #12A11#12
    Type · Analog, Signal
  • #13#13
    Type · Signal
  • A0 thru A5A0-A5
    Type · Signal
  • SCKMOSIMISOSPI
    Type · SPI
  • #8RFM internal
    Type · Signal
  • #7RFM internal
    Type · Signal
  • #4RFM internal
    Type · Signal
  • IO2RFM IO1IO3RFM GPIO breakouts
    Type · GPIO, Signal
  • RSTRST
    Type · Control
  • ARefARef
    Type · Analog

Start wiring

USB · 3.3 V

Confirm the data interface matches your host board.

Module pins: BAT, USB, 3V, GND, #0 / RX, #1 / TX, #2 / SDA, #3 / SCL. Schematik maps them to your board in the app.

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Specialists: Teensy for high-clock audio and USB, Adafruit SAMD boards running CircuitPython or the Arduino IDE, proper STM32 eval kits, and the micro:bit classroom ecosystem. Schematik builds target ESP32, Arduino Uno, and Pico; come here when you have a specific reason to.

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