Versatile Timer (CB21420E)

Details
Written by: Newton C. Braga

 

This circuit was obtained from an old American documentation, and practically any general-purpose transistor and sensitive relay can be used according to the supply voltage.

 


| Clique na imagem para ampliar |

 

 

  

Buscador de Datasheets


N° de Componente 

Circuit Bench

  • Auto Alarm (CB12395E)

      This alarm circuit is from a 1990 Electronics Handbook. Transistor Q1 can be a BD135 and the relay...

  • Flashlight Remote Control (CB17362E)

      With a light pulse on the Q1 sensor the circuit turns on and locks. To switch off, a light pulse...

  • Astable 741 (CB16541E)

      This configuration, found many times on this website, is from a 1977 documentation. The frequency...

Latest