120-second timer 555 (CB25500E)

Details
Written by: Newton C. Braga

 

In the figure we have a simple timer with the 555 feeding a relay directly. The circuit is from the Radio Electronics magazine of September 1992. Other times can be obtained with another capacitor up to 1,000 uF.

 


| Clique na imagem para ampliar |

 

 

 

  

Buscador de Datasheets


N° de Componente 

Circuit Bench

  • Two Light Flashers (CB947E)

    The circuits below were found in amarican publication of the year 1958. The transistors are...

  • VCO CMOS (CB4434E)

           This circuit produces signals that depend on the input control voltage. It is a Voltage Controlled...

  • Laser Diode Pulser (CB5339E)

           The bipolar transistors may be BD136 and BD136 and FET of any type for 1 A current at least. The...

Latest