Mazduino Compact is compatible with firmware from rusEFI and can also be used with Speeduino.
For tuning and configuration, you can use the Tuner Studio software.
- Download Schematic v2.4 (PDF)
- Interactive BOM v2.4
- Interactive BOM v2.3
- Interactive BOM v2.2
- Interactive BOM v2.0
- Interactive BOM v1.3 Interactive BOM for other versions will be available soon
- Initial testing
- Fixed USB-C to USB-C connection: rerouted 5.1k resistor to CC1 & CC2
- Corrected silkscreen typo
- Added low-current output for main relay
- Added spare analog input
- Added jumper footprint
- Replaced connector with a 33-pin Yamaha automotive connector
- Changed 12V capacitor size from 5x5 to 6x5
- Added one high-current low-side MOSFET for boost/VVT/Idle2 control
- Added direct knock sensor support using an op-amp IC
- Supported two types of CAN bus transceivers: MCP2551 or TJA1051T/3
- Added a dedicated connector for CAN bus communication
- Added a pin header footprint for VBAT, allowing real-time clock backup with a 3.3V battery
- Added high-side MOSFET for 12V switching control (alternator and other components requiring 12V switching)
- Fixed MCU mapping for 12V battery input and knock sensor input
- Optimized component selection and PCB layout for improved reliability and manufacturing efficiency
- Added JST connector footprint for usb connector options
- Added CR1220 battery holder footprint for real-time clock backup power
- Optimized Hall input circuit
- Updated pin mapping for knock input and TPS input
- Optimized Hall input and analog input
- Updated pin mapping for high-side outputs
- HS1 moved to PD15 and HS2 moved to PD14
- Added optional jumper for HS2 (High Side Output 2)