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A LoRa APRS node with KISS interface based on a Raspberry Pi Pico
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Marcel 2038a1aa9d
Fixed inverted digital output pin 		11 months ago
build Fixed inverted digital output pin 11 months ago
buildmanual Added KiCad files and build manual. 2 years ago
lora_kiss_tnc_pico_KiCad_rev2 Added KiCad files and build manual. 2 years ago
pico-sdk SDK added 3 years ago
src Fixed inverted digital output pin 11 months ago
CHANGELOG.md Fixed inverted digital output pin 11 months ago
CMakeLists.txt First commit: receiving LoRa APRS messages works. 3 years ago
LICENSE Initial commit 3 years ago
README.md I2C and PE1RXF telemetry added 11 months ago
cmake_install.cmake First commit: receiving LoRa APRS messages works. 3 years ago
pico_sdk_import.cmake First commit: receiving LoRa APRS messages works. 3 years ago

README.md

lora_aprs_node_pico

A LoRa APRS KISS modem with PE1RXF telemetry support for use as a remote data logger and/or remote I/O controller. See my website for more information: https://www.meezenest.nl/mees-elektronica/RPi-pico-LoRa-APRS.html. It is an evolution of another project of mine: https://www.meezenest.nl/mees-elektronica/aprs_telemetry.html

Software v1.0.5 (tagged) is suitable for I/O controller without I2C sensors and without telemetry

Software v1.1.0 is suitable for I/O controller with additional support for I2C sensors and PE1RF telemetry. If no I2C is found it will try to continue without telemetry. But that function is experimental.

This program is written for the RP2040 C++ SDK.

(C)2023 M.T. Konstapel https://meezenest.nl/mees

Licensed under GPL V3

Supported Hardware

  • RP2040 boards
    • Raspberry Pi Pico
  • Semtech SX1276/77/78/79 based LoRa boards

Default Pinout

Raspberry Pi Pico Semtech SX1278
3.3V VCC
GND GND
GPIO 18 SCK
GPIO 19 MOSI
GPIO 16 MISO
GPIO 7 DIO0 / G0
GPIO 8 NSS / CS
GPIO 9 RESET
GPIO 10 DIO1 / G1

Default pinout can be overrided with the setPins() function

Installation

  1. Download this repo
  2. Set PICO_SDK_PATH to included pico-sdk
export PICO_SDK_PATH="path to pico-sdk"
  1. Create build directory then run cmake and make:
mkdir build
cd build
cmake ..
make

Notes

I added the pico-sdk to prevent compatibility issues. Probably not a recommended practice, but there you go!

References

This project is based on the works of akshayabali which is based on the LoRa Library for Arduino:sandeepmistry/arduino-LoRa