Firmware

Speeduino open source ECU firmware cover with a controller board, engine signals, and tuning traces
6 min read

Speeduino - Open Source ECU Firmware

A source-first look at Speeduino, the open source Arduino-based engine management firmware for DIY ECU projects, …

Firmware Automotive ECU
BLHeli open ESC firmware cover showing an electronic speed controller board, motor phases, firmware traces, and signal waveforms
7 min read

BLHeli - Open ESC Firmware for Brushless Motors

A source-first look at BLHeli, BLHeli_S, and BLHeli_32 documentation for brushless ESC firmware, motor control, DShot, …

Firmware Drone FPV
SmartBMS open source battery management cover with cell modules, controller board, and battery monitoring traces
6 min read

SmartBMS - Open Source Battery Management

A source-first look at SmartBMS, also known as Green BMS, an open source battery management system with KiCad hardware, …

Open Hardware Firmware Battery
0 min read

ESPHome

YAML-driven firmware framework and Device Builder dashboard for ESP32, ESP8266, BK72xx, RP2040, and other Home …

IoT ESP32 Firmware
1 min read

Speeduino

Open source Arduino-based engine management firmware for DIY ECU projects, with PlatformIO builds, TunerStudio …

Firmware ECU Arduino
4 min read

FPV Drone Firmware and Tools

A practical map of the FPV drone firmware, configurator, log-analysis, radio-link, and VTOL control posts on FOSS …

FPV Drone Firmware
EdgeTX cover showing open RC radio firmware, transmitter OS, models, mixers, telemetry, Lua, CMake, Companion, Web Simulator, and CRSF ELRS labels
13 min read

EdgeTX - Open RC Radio Firmware for Modern Transmitters

A source-first look at EdgeTX: open-source firmware for RC transmitters, with C/C++, CMake targets, Lua scripting, …

Firmware Drone FPV
dRehmFlight cover showing Arduino VTOL flight control with Teensy, MPU6050, Madgwick, PID, and mixer labels
11 min read

dRehmFlight - Arduino VTOL Flight Control You Can Actually Read

A source-first look at dRehmFlight: a GPL Arduino/Teensy VTOL flight-controller project for custom aircraft, readable …

Firmware Drone Arduino
1 min read

Betaflight App

PWA and standalone configurator for Betaflight flight controllers, with firmware flashing, MSP, WebSerial, Android, and …

PWA Betaflight FPV
Betaflight App cover showing the Betaflight logo with PWA, WebSerial, MSP, Tauri, and firmware flashing signals
15 min read

Betaflight App - The PWA Configurator for Flight Controllers

A source-first look at Betaflight App: the PWA configurator for Betaflight flight controllers, with WebSerial, MSP, …

PWA Drone FPV
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