This mouse circuit was found in the January 1997 issue of Electronics Now magazine. It uses a PIC that must be programmed according to the movements.
This circuit was found in old documentation. PUTs are uncommon components today. The circuit...
This circuit was obtained in a 1991 Electronics Handbook. The publication no longer exists, but...
This crystal oscillator generates a 20 MHz signal. Equivalent transistors such as BF494 and 2N2222...