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Table of Contents

Meshtastic

CLI

apt install python3-full
mkdir -p ~/.venvs
python3 -m venv ~/.venvs/meshtastic
~/.venvs/meshtastic/bin/python -m pip install pytap2
~/.venvs/meshtastic/bin/python -m pip install meshtastic

Add ~/.venvs/meshtastic/bin to $PATH

meshtastic --port /dev/ttyACM2 --set lora.region EU_868
meshtastic --port /dev/ttyACM2 --noprot

Messages

This setup sends and receives messages on the CLI on a Pi Pico attached to /dev/ttyACM2

Receive

Install

git clone https://github.com/brad28b/meshtastic-cli-receive-text
cd meshtastic-cli-receive-text
~/.venvs/meshtastic/bin/python -m pip install -r requirements.txt

Prepend the following the each python script and edit the IP address and/or serial port in each script.

#! /bin/bash
"exec" "`dirname $0`/python" "$0" "$@"

Copy scripts into the venv.

chmod +x *.py
cp *.py ~/.venvs/meshtastic/bin

Listen

read_messages_serial.py
Using serial port: /dev/ttyACM2
Initializing SerialInterface to get node info...
Node info retrieved.
Parsing node info...
Node info parsed.
Node List:
{'num': '!0342a02e', 'user': {'shortName': 'Pico'}}
{'num': '!014fdb61', 'user': {'shortName': 'RPi'}}
Subscribed to meshtastic.receive
SerialInterface setup for listening.
RPi: Hello World!
Send
meshtastic --port /dev/ttyACM2 --dest \!014fdb61 --sendtext "Hi!"

Info

These are some parameters which can be used to sniff the LoRa radio with RTL-SDR.

region=EU_868, name=LongFast

freqEnd: 869.4000.250000 MHz

numChannels: 1 x 250.000kHz

Radio frequency: 869.525024

Resources

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