Ripping the old scanner apart and adding my own controller PCB.
Based on the Atmel AT90S8535 microcontroller.
Hooked up to LCD, LEDs, keypad and stepper motor circuit
(used the drivers on the existing PCB)
(used the drivers on the existing PCB)
Adjustments includes the speed of the light carrier and how far it should go
(before auto return)
(before auto return)
The whole works...
...in action