[GuySoft] sent in this project. He doesn’t normally mess with electronics, but decided to give it a try. He chose a fairly complicated project to be his first, but seems extremely comfortable with it.

The project was built as a serial PIC16F84 programmer that does not require an external power supply since it extracts power form the RS232 connection of PC. One of the first serial in-system ...

The project will be used in PCB exposure unit for the purpose of providing a countdown timer from 1 second to 99 minutes and 59 seconds. The lighting for the Ultra Violet exposure is being controlled ...