Circuit Diagram Blog

Simple triangle-square wave oscillator circuit diagram . In this circuit by making Rt variable it is possible to alter the operating frequ...

The concept for this small birthday present was to create a small heart shape with red LEDs and then to draw a heart shape underneath it on...

Laser torch-based burglar alarms normally work in darkness only. But this long-range photoelectric alarm can work reliably in daytime also t...

In this Dual Regulated Power Supply Circuit Diagram , the 7815 regulates the positive supply, and the 7915 regulates the negative supply. T...

This is a simplest Stabilized Capacitance Buffer Circuit Diagram . In this simple circuit using Ql and Q2 constitute a simple, high-speed FE...

10 Watt Audio Power Amplifier Circuit Diagram 10W PA.The 10 watts power amplifier circuit by transistor describe here is an audi...

This is a simple Inexpensive car Protection Unit Circuit Diagram. This circuit to protect car stereo, etc from pilferage that costs less an...