Using a thyratron tube and a photoelectric cell at the time, this circuit came out in Popular Electronics from June 1957. The circuit employs a high-voltage relay.
Photoelectric alarm (T434E)
- Details
- Written by: Newton C. Braga
Using a thyratron tube and a photoelectric cell at the time, this circuit came out in Popular Electronics from June 1957. The circuit employs a high-voltage relay.
