Binary Test (CB17400E)

Details: Written by: Newton C. Braga

Circuit Bench

Telephone Beacon (CB17000E)
This circuit activates a relay when the phone rings allowing the control of a warning lamp or even...
Slave flash trigger (CB8704E)
This circuit was found in a 90s Popular Electronics. The sensor can be any phototransistor. ...
SCR Power Control (CB4512E)
This different power control circuit with SCR was obtained from a 1967 magazine. The SCR can be...