Electronic doorbell (CB25029E)

Details
Written by: Newton C. Braga

 

This circuit was found in the April 1984 issue of Radio Electronics magazine. The integrated circuit used is a type of time that already includes the power supply.

 


| Clique na imagem para ampliar |

 

 

 

  

Latest

Circuit Bench

  • 9 W amplifier (CB18562E)

      This 9 W amplifier with transistors from the 60's was found in documentation of the time. The...

  • Cycloid adapter (CB6908E)

          The purpose of this 1965 Radio Electronics circuit is to observe cycloid waveforms on a standard...

  • Light Alarm (CB24237E)

      In this circuit found in the December 1972 Radio Electronics magazine. R can be from 1k to 22k,...

Buscador de Datasheets


N° de Componente