Night light (CB6859E)

Details
Written by: Newton C. Braga

 

    This circuit emits a warning sound when night falls. The circuit is from a Hands On Electronics from the 90s. The Sensor is a common LDR and R6 adjusts the trigger point.

 


| Clique na imagem para ampliar |

 

 

  

Latest

Circuit Bench

  • Arc Suppressor with SCR (CB13840E)

      The circuit shown in the figure suppresses arcs in contacts when inductive loads are switched. The SCR can...

  • XTAL TTL Oscillator (CB24936E)

      Any TTL inverter can be used in this circuit. We found it in documentation from the 80s, but it...

  • Stable VFO (CB4050E

    )      This variable frequency oscillator was found in an old American documentation. Transistors allow more...

Buscador de Datasheets


N° de Componente