This is my prototype of a frequency counter assembled on protoboard. Its brain is the PIC (programmable micro-controller) p/n PIC16F84A. I used a RS232 serial...
We connect a couple Pic16F84A, Max232 with a PC. The pic send and receive. You can download soft and schematic pagesperso-orange.fr Original quality video 48Mo...
This is a digital clock date thermometer I made based on PIC16F84A/PIC16F628(A) microchip and DS18S/B20 You can set : hours(ho:[0..23]), minutes(nn:[0..59]), date day(dd:[1..days/month]), date month(dn:[1..12]),...