Moisture Meter (CB18618E)

Details
Written by: Newton C. Braga

 

This circuit is from American documentation from the 1980s. The circuit can make use of any common NPN transistor and the power comes from two small batteries.

 


| Clique na imagem para ampliar |

 

 

 

  

Buscador de Datasheets


N° de Componente 

Circuit Bench

  • Timer (CB15679E)

      The presented circuit triggers the relay when S is pressed for an instant, keeping it in these...

  • Timed Alarm (CB18791E)

      This circuit uses common components in our market, despite being from a 1996 publication. The...

  • Low Battery Indicator (CB10328E)

      This circuit was obtained in an old English magazine from 1976. However, the components can still...

Latest