A Development boarb for DS89C4xx with LCD display, keyboard, 8 test leds, 8-seagment led, dip switches. I have built it and it's working perfectly. You can download the schematic and PCB!
A Development boarb for DS89C4xx with LCD display, keyboard, 8 test leds, 8-seagment led, dip switches. I have built it and it's working perfectly. You can download the schematic and PCB!