12W HiFi Stereo Audio Amplifier

Here is the circuit of a 2X12 watt HiFi stereo audio amplifier circuit using IC......

150W Audio Power Amplifier

For an amplifier with 150 Watt in power, may be this is the cheapest one . This......

3 Watt Stereo Audio Amplifier

This very simple circuit is ideal for small power audio applications like portable......

Simple Audio Amplifier

Here the simple and low cost audio amplifier schematic diagram. The circuit is ideal......

50W Audio Amplifier

About the schematic diagram:The circuit is designed such that most of the components......

3 Band Graphic Equalizer schematic diagram

This schematic circuit diagram is very simple. Just need a single op amp IC LF351......

Electric Guitar Pre-Amplifier schematic diagram

Here the schematic diagram of simple pre-amplifier for electric guitar:A pre-amplifier......

Fire alarm circuit

The works is similiar from previous circuit. the LDR sending the light from lamp.......

Simple fire alarm circuit using IC timer NE555

Here the simple file alarm circuit based timer ID NE555. The works is simple, the......

Power Supply 1.3 - 32 V / 5A with Short Circuit Protection

This is a very easy to build power supply that is based on LM338 5A adjustable......

Power Supply 1.2 - 12V / 1A with low voltage LED Indicator

This power supply can provide output voltage 1.2V - 12 with maximal output current......