
OpenRX panel rev2.2
OpenDrone-hw/OpenRX
OpenRX open-source ExpressLRS receiver family hub; board sources live in four dedicated hardware repositories.
Boards in 12 GitHub repositories, designed in KiCad, that use the SX1281IMLTRT by SEMTECH (-132dBm -40℃~+85℃ 1.8V~3.7V 12.5dBm 2.4GHz 2.4GHz~2.5GHz 24mA 2Mbps 8.2mA LoRa SPI、UART Supports RSSI function transceiver QFN-24-EP(4x4) RF Transceiver ICs ROHS). See how each wires it, with its parts, size, README and files; the SX1281IMLTRT’s symbol, footprint and pinout are on its own page.

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

OpenDrone-hw/OpenAIO
Open-source AIO for 2-6S toothpick quads: flight controller, 4-in-1 AM32 ESC and ExpressLRS receiver, 25.5x25.5 mm.

OpenDrone-hw/OpenRX-Lite
Open-source 2.4 GHz ExpressLRS receiver with an on-board ceramic antenna.

YeetTheAnson/Merlyn411-FlightController
STM32F411 Based AIO Flight Controller. Superseded by [Merlyn435](https://github.com/YeetTheAnson/Merlyn435-Flight-Stack/)



LorenzoCucchi/ELRS-SX1281
2.4 GHz LoRa board featuring the SX1281 and the SKY65383-11 frontend

aprskalo1/nano24-elrs-receiver
nano24: compact 2.4 GHz ExpressLRS receiver prototype with ESP32-C3, SX1281, CRSF and a printed Wi-Fi antenna. KiCad sources, BOM, Gerbers and validation notes.

deagle205/Whoop_1S_FC
Phil: 1S brushless whoop flight controller, 4-in-1 ESC and VTX (KiCad 10)


YeetTheAnson/Merlyn435-Flight-Stack
Successor to the Merlyn411 25mm flight controller. The flight stack includes a 3in1 20mm flight controller and a 20mm ESC.

yasir-shahzad/OpenRX
Open-source ExpressLRS 4.0 receiver family. Part of the OpenDrone ecosystem.