Digital using Transistors Tutorial page 3

It's a very simple circuit, for the follow-up of baby. It can however be also used for other use,...

This circuit detects the 20 Hz, "" 86-V rms ring signal on telephone lines and initiates action...

The Mini 3 digit display aka "DVM-module" (digital voltmeter module) can easily be tuned and...

The BA1451F is a Tuner system IC for electronic tuning for AM Radios FM IF, and MPX. It has been...

The circuit design guiding ideology can debug without any RF instrument, its performance can not...

An advantage that a photogate has over a sound trigger is that the former triggers on the precise...

The output voltage can be calculated as follows: U. . = 1. 3 (1 + R3 / R4) (V) adjustment...

As shown by L296 chip high current switching power supply chip composed of 5 ~ 15V, 4A power...

Circuit diagram for the DC power supply protection circuit. The device consists of buck...