Automatic 555 Hand Flashlight (CB25504E)

Details
Written by: Newton C. Braga

 

When the power is cut off, this circuit keeps the flashlight on for a while, allowing it to be located. The circuit is from a Radio Electronics from September 1992.

 


| Clique na imagem para ampliar |

 

 

 

  

Latest

Circuit Bench

  • Projector control (CB8299E)

           This old slide projector control circuit was found in an 80s Hands On. The circuit uses modern...

  • SUS Frequency Divider (CB19903E)

      In the figure we have a circuit that uses unusual components, being indicated for low frequency...

  • Rain alarm (CB6955E)

           The sensor of this circuit found in Popular Electronics can be formed by a piece of fabric between two...

Buscador de Datasheets


N° de Componente