Institute Newton C. Braga

Circuit Bench

Basic Timer 555 (CB13891E)
In the figure we have the basic configuration of a timer with the 555, according to Radio Shack's...
LC Oscillator Using the 4093 (CIR091E)
A high-frequency square wave oscillator using an LC-tuned circuit is shown bellow. The upper...
Simple tachometer (CB23717E)
This tachometer circuit with analog indication for cars with circuit breakers was found in Radio...