Wire Finder (CB21301E)

Found in an Electronic Hobbyist Handbook from the 1990s, this circuit is intended to apply a signal to a cable to enable its location.

| Clique na imagem para ampliar |

Sensitive Photo Relay CB13492E (CB13492E)
This circuit is from the documentation of Radio Shack 1975. It can be mounted with 12 V relays,...
Single Pulse Triggering with Triac (CB24899E)
Using an optocoupler this circuit turns on the light in a bedroom for a set amount of time when...
Remote current reader (CB8985E)
This circuit is used for remote current monitoring. In the original version of the 80s a lamp is...