An automotive cam position sensor determines which cylinder is firing to establish injector synchronization and coil firing sequence in a distributor-less ignition system. The camshaft position sensor ...

#define CAM_PIN 2 // Digital output for cam position signal #define INJ1_PIN 3 // Digital input for injector 1 signal #define INJ2_PIN 4 // Digital input for injector 2 signal #define INJ3_PIN 5 // ...