Dev board SCH
2025 SX1262-dat with STM32-dat - STM32-HDK-dat
2022 RFM92 with atmega328-dat
RFM92 with RPI-dat
wiring to RPI
table
Raspberry Pi 3 (BCM) SX1278
--------------------------------
3.3V → VCC
GND → GND
GPIO10 (MOSI) → MOSI
GPIO9 (MISO) → MISO
GPIO11 (SCLK) → SCK
GPIO7 (CS / NSS) → NSS
GPIO17 (RESET) → RESET
GPIO4 (DIO0 / INT) → DIO0
wiring to ESP32
| Lora Module | ESP32 |
|---|---|
| ANA | Antenna |
| GND | GND |
| DIO3 | - |
| DIO4 | - |
| 3.3V | 3.3V |
| DIO0 | IO 2 |
| DIO1 | - |
| DIO2 | - |
| GND | - |
| DIO5 | - |
| RESET | IO 14 |
| NSS | IO 5 |
| SCK | IO 18 |
| MOSI | IO 23 |
| MISO | IO 19 |
| GND | - |
- based on ESP32-SPI-dat