Speeduino CAN Broadcast Protocol

speeduino

CAN broadcast protocol for Speeduino open-source ECU when configured for Haltech-compatible CAN output mode. This protocol outputs real-time engine data for integration with data loggers, dashboards, and other CAN devices. Speeduino supports multiple CAN broadcast protocols: - Haltech (this specification) - BMW DME (for e46/e39/e38 instrument clusters) - VAG (for VW/Audi instrument clusters) Protocol uses 11-bit identifiers at 500kbit/s with big-endian encoding. Requires STM32 or Teensy MCU with native CAN hardware support.