This circuit uses the 2N626, the first commercial Darlington transistor. We found it in Radio Electronics magazine from June 1961. The sensor is a photocell of the time.
Light Controlled Relay (CB23751E)
- Details
- Written by: Newton C. Braga
This circuit uses the 2N626, the first commercial Darlington transistor. We found it in Radio Electronics magazine from June 1961. The sensor is a photocell of the time.
