- Mon Oct 05, 2020 8:07 pm
#45673
Hi Speeduino fellows
After discussion with my friends from vintage Fiat 500 forum, most of them would prefer to stick with carb. but they are all agreed a programmable ignition ECU would be a really nice to have for custom engine.
So I started a "small and low cost" speeduino design using MEGA Pro 2560 into the smallest Cinch ME-MX ECU enclosure.
So, because I had enough space to add more components than ignition only , finally it's a really "small" Custom Speeduino ECU into 100 x 65mm PCB .
Main features:
- Cinch automotive small enclosure ME-MX Molex connector (2 x12 pts connectors)
- Arduino Pro 2560 daughter card
- ISP interface for programming and debug.
- 4 injector channels (VND5N07)
- 2 ignitions outputs, 5V or 12V output level (IXDN602)
- 2 more outputs: Fuel pump, Aux (FAN, Boost or other purpose)(VND5N07)
- Stepper driver for IDLE (DRV8825) (if PWM idle not used)
- PWM Idle + Aux2 (if stepper driver not used) (VNLD5090)
- Communication via USB or Buetooth HM-11 module
- 1 VR sensors or 1 Hall sensors or 1 opto isolated input for crank (+12V signal input )
- +5V out for sensors power supply
- Baro and MAP sensor enclosed
- 4 analog inputs max. (O2, MAT, CLT, TPS)
- Tacho output (12V output level)
Schematic enclosed.
Will start the PCB production in a few days for this design, just need to double check the schematic before.
Franck
After discussion with my friends from vintage Fiat 500 forum, most of them would prefer to stick with carb. but they are all agreed a programmable ignition ECU would be a really nice to have for custom engine.
So I started a "small and low cost" speeduino design using MEGA Pro 2560 into the smallest Cinch ME-MX ECU enclosure.
So, because I had enough space to add more components than ignition only , finally it's a really "small" Custom Speeduino ECU into 100 x 65mm PCB .
Main features:
- Cinch automotive small enclosure ME-MX Molex connector (2 x12 pts connectors)
- Arduino Pro 2560 daughter card
- ISP interface for programming and debug.
- 4 injector channels (VND5N07)
- 2 ignitions outputs, 5V or 12V output level (IXDN602)
- 2 more outputs: Fuel pump, Aux (FAN, Boost or other purpose)(VND5N07)
- Stepper driver for IDLE (DRV8825) (if PWM idle not used)
- PWM Idle + Aux2 (if stepper driver not used) (VNLD5090)
- Communication via USB or Buetooth HM-11 module
- 1 VR sensors or 1 Hall sensors or 1 opto isolated input for crank (+12V signal input )
- +5V out for sensors power supply
- Baro and MAP sensor enclosed
- 4 analog inputs max. (O2, MAT, CLT, TPS)
- Tacho output (12V output level)
Schematic enclosed.
Will start the PCB production in a few days for this design, just need to double check the schematic before.
Franck
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Last edited by fram on Sat Nov 07, 2020 2:38 pm, edited 2 times in total.
GITHUB about my Custom Speeduino ECU: https://github.com/FRAMSPEEDUINO/CUSTOM_SPEEDUINO_ECU