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The official firmware for Meshtastic, an open-source, off-grid mesh communication system.
https://meshtastic.org
esp32
gps
heltec
hiking
lora
mesh
mesh-networks
meshtastic
nrf52
off-grid
pico
rp2040
stm32
ttgo
ttgo-tbeam
ce7444c1a1* feat: add WIZnet W5500-EVB-Pico2 + E22P-868M30S variant Adds a community variant for the WIZnet W5500-EVB-Pico2 development board (https://docs.wiznet.io/Product/iEthernet/W5500/w5500-evb-pico2) paired with an external EBYTE E22P-868M30S LoRa module. This is the hardware twin of variants/rp2350/diy/pico2_w5500_e22 — same LoRa pinout, same W5500 pin mapping — and reuses its variant.h verbatim via `-I variants/rp2350/diy/pico2_w5500_e22`. No duplicated pinout file. Two differences vs pico2_w5500_e22 justify the separate env: 1. Board target: `wiznet_5500_evb_pico2` (2 MB flash) instead of `rpipico2` (4 MB flash). The WIZnet PCB ships with a smaller Q-SPI chip than a stock Pi Pico 2. Selecting the correct board makes the linker fail fast on overflow instead of producing a UF2 that gets silently truncated when flashed to the device. 2. W5500 PHY is integrated on the PCB (hard-wired SPI0 GP16-20) rather than supplied as an external module the user wires manually. The E22P-868M30S uses a single combined RFEN pin (LNA + PA enable) instead of the older E22-900M30S's split RXEN/TXEN pins. RFEN is held HIGH at all times via `SX126X_ANT_SW 3`; TX switching still uses the on-module DIO2 → TXEN bridge through `SX126X_DIO2_AS_RF_SWITCH`. Build verified: wiznet_5500_evb_pico2_e22p SUCCESS (RAM 19.2%, Flash 65.6% of 1.5 MB partition / 2 MB chip). * style(wiznet-evb-pico2-e22p): prettier-format README tables --------- Co-authored-by: Ben Meadors <benmmeadors@gmail.com> |
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| .claude/commands | ||
| .clusterfuzzlite | ||
| .devcontainer | ||
| .github | ||
| .trunk | ||
| .vscode | ||
| bin | ||
| boards | ||
| branding | ||
| data/static | ||
| debian | ||
| extra_scripts | ||
| images | ||
| mcp-server | ||
| meshtestic@dcac7e5673 | ||
| monitor | ||
| protobufs@8b68f27367 | ||
| release | ||
| src | ||
| test | ||
| variants | ||
| zephyr | ||
| .dockerignore | ||
| .env.example | ||
| .envrc | ||
| .gitattributes | ||
| .gitignore | ||
| .gitmodules | ||
| .gitpod.yml | ||
| .mcp.json | ||
| .semgrepignore | ||
| AGENTS.md | ||
| alpine.Dockerfile | ||
| CODE_OF_CONDUCT.md | ||
| CONTRIBUTING.md | ||
| default_8MB.csv | ||
| default_16MB.csv | ||
| docker-compose.yml | ||
| Dockerfile | ||
| Dockerfile.test | ||
| flake.lock | ||
| flake.nix | ||
| LICENSE | ||
| meshtasticd.spec.rpkg | ||
| partition-table-8MB.csv | ||
| partition-table.csv | ||
| platformio.ini | ||
| pyocd.yaml | ||
| README.md | ||
| renovate.json | ||
| rpkg.conf | ||
| SECURITY.md | ||
| shell.nix | ||
| suppressions.txt | ||
| userPrefs.jsonc | ||
| version.properties | ||
Meshtastic Firmware
Overview
This repository contains the official device firmware for Meshtastic, an open-source LoRa mesh networking project designed for long-range, low-power communication without relying on internet or cellular infrastructure. The firmware supports various hardware platforms, including ESP32, nRF52, RP2040/RP2350, and Linux-based devices.
Meshtastic enables text messaging, location sharing, and telemetry over a decentralized mesh network, making it ideal for outdoor adventures, emergency preparedness, and remote operations.
Get Started
- 🔧 Building Instructions – Learn how to compile the firmware from source.
- ⚡ Flashing Instructions – Install or update the firmware on your device.
Join our community and help improve Meshtastic! 🚀
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