This is a blank PCB only for building a Manual Prom Programmer for 82s123 and 82s23 chips. This programmer is designed to be powered from a PC power supply or arcade power supply with 12v and 5v lines.. Assembly requires soldering and basic electronics experience.

This sale is for the Board ONLY! You will need to purchase all other components separately. See the link below for a video, more pictures, and complete parts list below for a list of components that you can buy at Digikey, , and others.

Feel free to send a message with any questions about this board, assembly, or use.

NOTE - Please notice the orientation of the blue buttons when assembling this board. Programmer will not function correctly if buttons are installed backwards.

NOTE #2 - PROM chips are one time write only. After building this board, it is advisable to test on an already written, "scratch", chip so you don't have to waste a new 82s123. Included with this sale is an already written "scratch" 82s123 for testing purposes.