Locked relay (CB21220E)

Details
Written by: Newton C. Braga

 

This circuit can be used as a lockable shield. A pulse activates the relay that remains on even after the pulse disappears. The transistor is general purpose.

 


| Clique na imagem para ampliar |

 

 

 

  

Latest

Circuit Bench

  • Field Strength Meter (CB6538E)

           Found on Popular Electronics this circuit has variations found throughout this site and section....

  • Fuzz (CB12100E)

      This effect for guitar was found in an English magazine from 1978. The transistors can be the most...

  • Automotive voltage analyzer (CB8954S)

           This circuit was found in a 90s Popular Electronics. It is possible to analyze the voltages of an...

Buscador de Datasheets


N° de Componente