opendrone

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

Open-source 4-in-1 AM32 ESC for FPV drones. 20x20 mm, 2-6S, one MCU per motor, CERN-OHL-S-2.0.

Open-source Betaflight flight controller. RP2354A, 20x20 mm, 6-layer, 3-6S, CERN-OHL-S-2.0.

Open-source 4-in-1 AM32 ESC for FPV drones. 30.5x30.5 mm, 2-8S, one MCU per motor, CERN-OHL-S-2.0.

Open-source Betaflight flight controller. RP2354B, 30.5x30.5 mm, 6-layer, 3-8S, CERN-OHL-S-2.0.

Open-source 5.8 GHz analog video transmitter with software-defined OSD (RTC6705, STM32G4). Early stage, no schematic yet.

OpenFrame 5in CNC carbon fibre freestyle FPV frame: Onshape CAD source and parts lists. STEP and drawings published at release.

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

OpenDrone webshop: React Router 7 storefront on Cloudflare Workers, backed by Shopify.

Open-source 1S whoop AIO: flight controller, 4-channel brushless ESC, ExpressLRS receiver and analog VTX, 25.5x25.5 mm. Planned.

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

Shared KiCad symbol, footprint and 3D-model library for OpenDrone hardware

Open hardware concept for a standalone Remote ID module: ESP32-C3 plus GNSS receiver. Incomplete, not a compliant product.

OpenFrame 3in CNC carbon fibre freestyle FPV frame: Onshape CAD source and parts lists. STEP and drawings published at release.

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

OEM brushless motors for OpenFrame 3in and 5in: bench test results and incoming QC. Not an open motor design.

Open-source 2.4 GHz ExpressLRS receiver with an on-board ceramic antenna.

GPS board for OpenDrone. Planned: no design yet, help wanted.

Template for OpenDrone hardware repos: line-standard KiCad board setup and the four root files

OpenDrone fork of AM32 ESC firmware. Work lives on branch feat/openesc-20-target (OPENESC_20_F421 target for OpenESC-20x20); main tracks upstream.