Universal Tester (CB11843E)

Details
Written by: Newton C. Braga

 

This circuit was obtained in a 1998 publication, but it can be easily assembled. The circuit indicates logic levels, high and low, by two LEDs. The transistors can be BC548 for NPN and BC558 for PNP.

 


 

 

 

 

  

Buscador de Datasheets


N° de Componente 

Circuit Bench

  • Amplifier LM380 (CB11581E)

      This amplifier provides a power near to 1W. The supply must be made with a voltage of 9 V coming...

  • AC voltage probe (CB8185E)

           This circuit for voltages up to about 20 V was found in a 90s Popular Electronics. The LED can be...

  • 555 Police Siren (CB25521E)

      This is one of the many possible siren configurations for the 555 integrated circuit. We found it in...

Latest