This module includes an optical pass key and has two digits. We found this circuit in a 1995 documentation. Power can be supplied with voltages from 7 to 20 V using the regulator or 5 V directly. More digits can be added to the original project.
This circuit can be used in alarms, data links or áudio links using IR radiation. The circuit is...
June 2017 - Mouser Electronics has in stock the new AC Metallized Polypropylene Film Capacitors...
This circuit using a SIDAC is suggested by ON Semiconductor in its thyristor manual. The circuit...