Meshtastic Notes.

I've been using Meshtastic devices for a while now and have found them to be a fun way to communicate when off-grid. These notes are things I find myself having to hunt for each time they come up.

Tools
Flashing Firmware

Tools

Mesh Planner - generate coverage maps
Sac Valley Mesh Map - map of nodes in the Sac Valley Mesh

Flashing Firmware

I can never seem to remember all the steps to properly flash the firmware.

General

Use the web flasher or...
Grab firmware from meshtastic.org/downloads
Unzip into clean folder
Run esptool.py chip_id to confirm connection is in the right mode, you should see Detecting chip type... ESP32-S3
Then install the firmware using ./device-install.sh -f firmware-BOARD-VERSION.bin

T-Beam Supreme

Before: Plug into USB while pressing left and middle buttons, hold for 2-3s
After: Press reset button, wait for device to power on (~5s)

Heltec v3

Before: Hold the power button while pressing the reset button.
After: nothing