expresslrs

OpenRX open-source ExpressLRS receiver family hub; board sources live in four dedicated hardware repositories.

An Arduino Library for communicating with ExpressLRS and TBS Crossfire receivers.

Encrypted ELRS fork. ASCON-128 authenticated encryption, cryptographic FHSS, same hardware. Drop-in upgrade.

A testing tool for Crossfire and ExpressLRS receivers using ESP32 and SPI display

Saleae Logic 2 High Level Analyzer: Crossfire decoder for R/C protocol as used by TBS Crossfire, Tracer or ExpressLRS

Advanced lua-based quad dashboard. Shows: quad telemetry, gps positions, timer and etc.

Crossfire protocol parser for no_std rust.

RadioMaster AX12 hardware reverse engineering — UMBUS protocol spec, native library analysis, device tree, tools, and developer setup guide

EdgeTX telemetry widget with live QR code and a modern UI - Supports Betaflight, iNAV and ArduPilot on radios with a large color screen

Use your ExpressLRS (ELRS) radio as a wireless USB joystick for FPV simulators. 500Hz CRSF receiver to HID gamepad on a Seeed XIAO SAMD21 (Arduino / PlatformIO).

A clone of https://github.com/mikeneiderhauser/CRSFJoystick to support the Arduino Pro Micro (atmega32u4)

Ghost RX: a passive telemetry-sniffing receiver based on ExpressLRS 3.5.0 for non-intrusive monitoring of an existing ELRS link.

Drone flight controller with MPU6050, ExpressLRS, PID control, and motor mixing. Developed in PlatformIO

Full-screen telemetry dashboard for EdgeTX colour radios: Betaflight quads on ExpressLRS or Crossfire, with a find-my-quad QR code, logbook and voice callouts

Open-source dual-radio, dual-band ExpressLRS receiver for Gemini and Xrossband.

Read your EdgeTX flight logs on the radio: summary, graphs, GPS track with a plus code, and every sensor. Protocol agnostic — CRSF, GHST, ELRS, FrSky.

Long-range telemetry and data link for drones and planes, on ExpressLRS and mLRS hardware. Built on mLRS.

An Open Source Radio Transmitter Project

EdgeTX Lua script that audibly warns you before your ExpressLRS link breaks down.

Open-source dual-band ExpressLRS receiver with one LR1121 radio and one U.FL antenna.