VW Beetle DIY Electronic Ignition Conversion With Arduino UNO and DIS Coils

A Homemade version of Compufire DIS-IX and COMPU-TRONIX DIS4 GM DIS coils and module from a saturn 4 cylinder Audi, VW MK4 Golf Jetta 1.8T Cam Hall-effect sensor and trigger wheel from 2.8L V6 VW 009 Distributer with no vacuum advance Arduino UNO with simple modified "Button" code