Temperature interface (CB20543E)

This temperature sensor shield or interface was found in a PC English documentation from 1996.

Tone Decoder 567 (CB5069E)
This circuit can be used with previous transmitters to decode a signal transmitted via power grid....
Ground Fault Switch (CB5947E)
This circuit interrupts the power supply when grounding is missing. The circuit is from an old...
Timer Using Unijunction Transistor (CB933E)
This circuit was found in an old publicatio n from the year 1958. The circuit controls an external load by...