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Open Source Flight Controller Firmware

  • betaflight
  • cleanflight
  • flight-controller
  • hacktoberfest

Arduino library to play MOD, WAV, FLAC, MIDI, RTTTL, OGG/Opus, MP3, and AAC files on I2S DACs or with a software emulated delta-sigma DAC on the ESP8266 and ESP32 and Pico

C99 firmware core for a 16-series LFP pack. Independent charge and discharge FETs, cell protection, coulomb SOC, and the current and voltage limits an inverter follows. Passive balance runs for 1.0 s, then 200 ms off, so the fault wait finishes on an unloaded sample. No RTOS, no heap. The AFE driver and fieldbus stay on your board.

Message Broker for IoT/Mobile/Web. Mainly uses MQTT v3.x and v5. Aims to be easy to use, scalable and reliable