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These DIY builds are functionally similar to the legacy xiao_ble variant, but use a pinout harmonized with the officially-supported XIAO nRF52840 & Wio-SX1262 Kit for Meshtastic (SKU 102010710).
An additional E22-900M33S variant is provided to ensure SX1262 transmit power is set below the maximum PA input for that module, to avoid damaging it.
- seeed_xiao_nrf52840_e22_900m30s:
- XIAO nRF52840 + EBYTE E22-900M30S
- EBYTE E22 pinout matching Wio-SX1262 (SKU 113010003)
- I2C
- SDA: D6
- SCL: D7
- User button: D0
- Gain is programmed in firmware - user Tx power setting is the desired final output power
- seeed_xiao_nrf52840_e22_900m33s:
- XIAO nRF52840 + EBYTE E22-900M33S
- EBYTE E22 pinout matching Wio-SX1262 (SKU 113010003)
- I2C
- SDA: D6
- SCL: D7
- User button: D0
- Gain is programmed in firmware - user Tx power setting is the desired final output power
Signed-off-by: Andrew Yong <me@ndoo.sg>
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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