Heartbeat Detector (CB25472S)

Details
Written by: Newton C. Braga

 

This heartbeat sensor circuit was found in the July 1992 issue of Radio Electronics magazine. The circuit uses a 741 with a single power supply.

 


| Clique na imagem para ampliar |

 

 

 

  

Buscador de Datasheets


N° de Componente 

Circuit Bench

  • Ammeter (CB9660E)

      This current meter with many scales was found in a 80s American documentation. The operational amplifier...

  • Common Dimmer (CB5276E)

           This dimmer, from an old publication, can use almost any triac and in shooting a neon lamp. The...

  • Infrared Detector (CB14007E)

      We found this circuit in a 1975 publication. The circuit can be made with more modern equivalent...

Latest