How to Connect Diodes in Parallel for High Current Applications

Oct 26, 2014

Whenever an inductor based load is involved in a DC circuit, incorporating a back EMF protection diode or a freewheeling diode becomes imperative in order to protect the BJT or the mosfet responsible for driving it.
However calculating and connecting diodes in parallel is never an easy task to implement.

How to Convert 3 phase AC to Single phase AC

Oct 24, 2014

The post discusses how to convert 3 phase AC to single phase AC through a special bridge rectifier at any desired voltage. The idea was requested by Mr. Chaquito

Converting a Low Power Inverter to a High Power Inverter using a Simple Circuit

Oct 23, 2014

Here we learn about a couple of simple circuit configurations which will convert any low power inverter to a massive high power inverter circuit.

Super Capacitor Hand Cranked Charger Circuit

Oct 14, 2014

The post discusses a simple super capacitor hand cranked charger circuit using bridge rectifier which may be applied for charging a bank of super capacitors through any suitable hand cranked generator machine. The idea was requested by Mrs. Janet

Automatic Fish Aquarium Light Optimizer Circuit

Oct 13, 2014

The post explains a simple yet effective fish aquarium light optimizer circuit which automatically controls the illumination of a group of appropriately selected LEDs with respect to the varying daylight and after darkness sets in. The idea was requested by Mr. Amit

Wireless Helmet Brake Light Circuit

Oct 11, 2014

The post explains an innovative wireless LED brake light circuit which can be attached to a biker's helmet. The LEDs attached with the helmet circuit illuminates in response to the motorcycle braking  generating an enhanced brake light effect from the user's helmet. The idea was requested by Mr. Bugoy.

Automatic LED Candle Light Circuit

Oct 10, 2014

The post describes a simple transformerless LED candle light circuit which switches ON automatically in the absence of ambient light in the room and vice versa. The idea was requested by Mr. Don

Single Transistor High Current Battery Charger Circuit

Oct 9, 2014

 The post discusses a single transistor high current battery charger circuit with an automatic over charge cut off feature. The idea was suggested by Mr. Raja Gilse.

DIY LED Brightness and Efficiency Tester Circuit

The post details a simple LDR brightness and efficiency tester circuit set up using an LDR and a digital Ohm meter. The idea was requested by Mr. Prashant 

Dissolved Oxygen Sensor Display Circuit

Oct 6, 2014

The post discusses a sensor device used for measuring the level or amount of dissolved oxygen in water and other fluids. The idea was requested by Mr. Amit

Digital Up/Down Volume Control Circuit Using IC DS1668

Oct 5, 2014

The post explains a simple digital volume control circuit using the IC DS1668 which can be used in amplifiers and all audio equipment for achieving a push button press up/down volume control facility.

Power Switch ON Alarm Circuit with Auto OFF

Oct 4, 2014

The post discusses a simple monostable based power switch ON alarm circuit which automatically switches OFF after an adjustable preset delay. The idea was requested by Mr. Will Boswell.

Solar Panel Optimizer Circuit

A very simple yet effective solar optimizer circuit can be made by employing a LM338 IC and a few opamps.

Municipal Water Supply Sensor, Pump Controller Circuit

Oct 3, 2014

The post explains a simple water sensor with pump starter circuit for switching a pump motor during municipal water supply periods. The idea was requested by Mr. Hitesh Thapa.

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