Here is the simple virtual ground circuit based on discrete components. This simple design comes from miniaturization guru Sijosae. Is to make a buffer...
Thursday, March 6, 2014
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5 Watt Class-A Audio Amplifier Circuit diagram
This solid-state push-pull single-ended Class A circuit is capable of providing a sound comparable to those valve amplifiers, delivering more output power (6.9W measured...
Wednesday, March 5, 2014
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Digital Volume Control Circuit Diagram
This circuit could be used for replacing your manual volume control in a stereo amplifier. In this circuit, push-to-on switch SW1 controls the forward...
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Simple Circuit Board Checker
This little circuit indicates the basic integrity of a printed board, detecting 0V, positive supply voltage from less than 3V to 30V and floating...
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Stabilized Regulated Power Supply Circuit Diagram
This circuit of power supply, is very simple and easy to built, it can be assembled on a general-purpose PCB, finding its materials is...
Tuesday, March 4, 2014
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Simple Mobile Phone Battery Charger
Mobile phone chargers available in the market are quite expensive. The circuit presented here comes as a low-cost alternative to charge mobile telephones/battery packs...
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Analog to Digital Converter (ADC) Circuits Diagram
Normally analogue-to-digital converter (ADC) needs interfacing through a microprocessor to convert analogue data into digital format. This requires hardware and necessary software, resulting in...
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Simple Train Mounted Camera Battery Charger
Simple Train Mounted Camera Battery Charger circuit will keep the battery for a train mounted camera charged and will shut the camera off after...
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Wire-Break Alarm With Delay Circuits Diagram
Simple Wire-Break Alarm With Delay Alarm and Security Here is a simple circuit of wire-break alarm that activates after a delay of 15 to...
Monday, March 3, 2014
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A Simple Hearing Aid
Commercially available hearing aids are quite costly. Here is an inexpensive hearing aid circuit that uses just four transistors and a few passive components.Hearing...
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Infra-red Remote Control Tester
As I was developing my IR Extender Circuit, I needed to find a way of measuring the relative intensities of different Infra red light...
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Simple Sensitive Optical Burglar Alarm Circuit Diagram
How to build a Simple Sensitive Optical Burglar Alarm Circuit Diagram ? This optical burglar alarm uses two 555 timer ICs. Both the ICs...
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Lights Control for Model Cars Circuit Diagram
The author gave his partner a radio controlled (RC) model car as a gif t. She found it a lot of fun, but thought...
Sunday, March 2, 2014
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1.5 - 35 Volt DC Regulated Power Supply
Here is the circuit diagram of regulated power supply. It is a small power supply that provides a regulated voltage, adjustable between 1.5 and...
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Canon EOS M Digital Camera Enters into the Mirrorless Territory
Canon has long been a leader in the world of DSLRs, but when it comes to smaller sized shooters, Canon had largely concentrated on...
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Mobile phone Circuits to Get Even smaller
Transceivers, appliances such as mobile phones that can send and receive messages, have become smaller and smaller over the last few years, but...
Saturday, March 1, 2014
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Smart Chocolate Block Schematic Diagram
What can be done, when two light bulbs in one light fitting are to be switched separately, but only one switch circuit is available?...
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Simple 50 to 300 MHz Colpitts Oscillator
Simple high efficiency Colpitts oscillator .In the higher frequency ranges, above 50 MHz, Colpitts oscillators are used because stray circuit capacitance will be in...
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Simple Energy-Saving Switch Schematic Diagram
Lights do not always need to be on at full power. Often it would be useful to be able to turn off the more...
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Simple Dual Voltage Power Supply 12 Volt
This is the simple circuit diagram of Dual Voltage Power Supply. It is used for Misc… application. This circuit is called regulated power supply....
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Reliable 6 Watt Hi Fi Audio Amplifier Using TDA2613
A 6 watt audio amplifier circuit using TDA2613 is shown here. TDA2613 is an integrated Hi-Fi audio amplifier IC from Philips Semiconductors. The IC...
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