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Showing posts from February, 2016

Gainclone Power Amplifier

Making of Amplifier Gainclone from this list circuit schematic Gainclone Power Amplifier What … Read this circuit » Gainclone Power Amplifier

Download Express PCB

Free CAD Software The  ExpressPCB  CAD software is very easy to learn and use. For the first ti… Read this circuit » Download Express PCB

LM317 as a Voltage Stabilizer

LM317 Voltage stabilizer schematic diagram Priciple voltage stabilizer PNP transistor can gi… Read this circuit » LM317 as a Voltage Stabilizer

12 to 20000 Volt electronic Stun Gun

12V to 20000V  inverter circuit   diagram STUN GUN. This circuit generates a very high voltage , mu… Read this circuit » 12 to 20000 Volt electronic Stun Gun

High Quality Audio Amplifier 200 Watt

This high quality  power audio amplifier will give you top class quality for loudspeaker 4 – 8 o… Read this circuit » High Quality Audio Amplifier 200 Watt

Simple power saver

This simple power saver circuit is used to save electricity in our homes to avoid spending too m… Read this circuit » Simple power saver

Circuit of LED Driver High Power

High-power LED's: the future of lighting! but... how do you use them? where do you get… Read this circuit » Circuit of LED Driver High Power

220V lamp flasher with IC 555

This is 220V 800W lamp flasher circuit directly connected to 220V mains. One or more lamp which h… Read this circuit » 220V lamp flasher with IC 555

Lithium-ion (Li-ion) battery charger

Lithium-ion (Li-ion) battery charger which built based single chip MAX1879. This is the simple and… Read this circuit » Lithium-ion (Li-ion) battery charger

5 Band equalizer tone control with 4558

This Graphic equalizer circuit using op-amp 4558-LF353 circuit 5 Channels 2 Octave Graphic Equali… Read this circuit » 5 Band equalizer tone control with 4558

Simple Amplifier with Bass-Boost

High Quality, very simple design, No preamplifier required This design is based on the 18 Watt A… Read this circuit » Simple Amplifier with Bass-Boost

High Voltage Converter

The circuit shows one way of obtaining a voltage of 90V from a 1.5V battery supply the   High Volt… Read this circuit » High Voltage Converter

DIY 220VAC Flashing Lights

Especially designed for Christmas tree lamps , Replaces old thermally-activated switches This ci… Read this circuit » DIY 220VAC Flashing Lights

Switching Power Supply Soft Start

Switching power supply whose output voltage is appreciably lower than its input voltage has an … Read this circuit » Switching Power Supply Soft Start

6A / 0-28V Variable Power Supply

The following diagram is the schematic diagram of variable power supply which will deliver 0 to 28… Read this circuit » 6A / 0-28V Variable Power Supply

Low Noise - Distortion Pre-Amp and Tone Control

This is a low noise and distortion pre-amplifier and tone control circuit in one module. Using a … Read this circuit » Low Noise - Distortion Pre-Amp and Tone Control

How to make Phone Battery Charger

The following diagram is a simple mobile phone battery charger circuit. The design is simple, easy… Read this circuit » How to make Phone Battery Charger