A raspberry pi pico based lorawan enabled battery monitor
This is the codebase for the article I wrote in issue 61.
| Pi Pico (RP2040) | RFM95 (Semtech SX1276) |
|---|---|
| 3.3V | VCC |
| GND | GND |
| GPIO 20 | MISO |
| GPIO 19 | MOSI |
| GPIO 18 | SCK |
| GPIO 8 | CS |
| GPIO 7 | DIO0 |
| GPIO 10 | DIO1 |
| GPIO 9 | RESET |
| Pi Pico (RP2040) | RV-3028 |
|---|---|
| 3.3V | VCC |
| GND | GND |
| GPIO 3 | SCL |
| GPIO 2 | SDA |
| Pi Pico (RP2040) | Connection |
|---|---|
| GPIO 13 | Power latch |
| GPIO 11 | Config Pin |
| GPIO 26 (A0) | Voltage 1 |
| GPIO 27 (A1) | Voltage 2 |
| GPIO 28 (A2) | Voltage 3 |
| GPIO 29 (A3) | Voltage 4 |
| GPIO 6 | Measure enable |
Once you have installed the latest version of docker, run the following command in a suitable directory
git clone https://github.com/matty0005/lorawan_battey_monitor_software
cd lorawan_battey_monitor_software
docker-compose up -d
More instructions at: https://github.com/matty0005/lorawan_battey_monitor_software
git clone --recursive-submodules https://github.com/matty0005/pico-LoRaWAN-battery-monitor
You will need to have the Raspberry Pi Pico C/C++ SDK installed on your machine.
Once installed, you can build the code by running the following commands
mkdir build
cd build
cmake .. -DPICO_BOARD=pico
make -j
Then you can find the .uf2 file in the build folder and drag it over to your pi pico.
Based off the pico-lorawan library: https://github.com/ArmDeveloperEcosystem/lorawan-library-for-pico