Year: 1989
Make: Volkswagen
Model: Golf MK2
Engine: 8V GTI
Displacement: 1.8L
Hardware:
ElMicro CardS12X CPU Module
"Onionboard" home etched prototype PCB
Innovate Motorsports LC-1
OEM VR Crankshaft Position Sensor (60-2)
DIY Dual VB921/BIP373 Ignition Module
Config: Semi-sequential + Wasted spark
Engine:
![Image](http://baboonplanet.com/files/freeems/engine1.jpg)
Car:
![Image](http://baboonplanet.com/files/freeems/golf_dusty.jpg)
Proto ECU:
![Image](http://baboonplanet.com/files/freeems/cards12x_onionboard.jpg)
Videos:
- First try, ignition wired backwards, no go
![Wink ;)](./images/smilies/icon_e_wink.gif)
http://baboonplanet.com/files/freeems/first_start.mp4
- Second try (flat tables, no tuning, no idle)
http://baboonplanet.com/files/freeems/second_start.mp4
One oil hose blew earlier and tried to fix it prior to test the freeems. Fix == Duct tape == Fail.
Next the 60-2 decoder code needs some tweaking to get it revving and the DC motor operated throttle stop needs a H-bridge chip + software PID control...