Adafruit RFM69HCW Transceiver Radio Breakout - 868 or 915 MHz - RadioFruit
SX1231-based FSK packet radio breakout at 868 or 915 MHz with SPI interface, AES-128 encryption, and +13 to +20 dBm output (up to 100 mW). Accepts 3–5V input via onboard regulator; typical range ~500 m with wire antennas.
Pinout
- VCC
Required
Type · Power - GND
Required
Type · Ground - SCK
Required
Type · SPI - MISO
Required
Type · SPI - MOSI
Required
Type · SPI - CS
Required
Type · SPI - RESET
Required
Type · Control - DIO0
Required
Type · Signal - DIO1
Optional
Type · Signal - DIO2
Optional
Type · Signal
| Pin | Type | Function |
|---|---|---|
| VCC | Power | Required |
| GND | Ground | Required |
| SCK | SPI | Required |
| MISO | SPI | Required |
| MOSI | SPI | Required |
| CS | SPI | Required |
| RESET | Control | Required |
| DIO0 | Signal | Required |
| DIO1 | Signal | Optional |
| DIO2 | Signal | Optional |
Pin details
10 connections- VCC
Required
Power - GND
Required
Ground - SCK
Required
SPI - MISO
Required
SPI - MOSI
Required
SPI - CS
Required
SPI - RESET
Required
Control - DIO0
Required
Signal - DIO1
Optional
Signal - DIO2
Optional
Signal
Start wiring
UART · SPI · 3.3 V · Breakout
Confirm the data interface matches your host board.
Module pins: VCC, GND, SCK, MISO, MOSI, CS. Schematik maps them to your board in the app.
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