Alarm with relay (CB21218E)

Details
Written by: Newton C. Braga

 

This latching alarm circuit using relays was found in American documentation. Sensors are connected in parallel.

 


 

 

 

 

  

Buscador de Datasheets


N° de Componente 

Circuit Bench

  • Monostable LM139 (CB8003E)

          Found in documentation from the 90s, this circuit can employ other comparators in the series such as...

  • Insect repellent (CB8102E)

           This circuit was found in a PE Hobbyst Handbook from 1992. The second oscillator is a VFO. The...

  • DC Motor Control (CB20443E)

      This motor control using transistors was found in a recent English publication. The circuit is for...

Latest