Passage Alarm (CB24151E)

Details
Written by: Newton C. Braga

 

This sensitive passage alarm was found in the August 1971 Radio Electronics magazine. The light beam can be obtained from LEDs or a laser in a modern version.

 


| Clique na imagem para ampliar |

 

 

 

  

Latest

Circuit Bench

  • Nixie Driver (CB6691E)

           This Nixie pipe circuit was found in 1965 documentation. Note the high supply voltage. Appropriate...

  • SCR Timer (CB13383E)

      This circuit is from a 1976 publication, but it can be assembled with modern components. For the...

  • Practice code oscillator (CB21090E)

      Found in Popular Electronics from the 90's, this circuit consists of an audio oscillator for Morse...

Buscador de Datasheets


N° de Componente