Monday, May 25, 2015

Adjustabe CDI Spark Advance/Retard Circuit for Motorcycles

In this post we'll learn about a simple circuit which allows a manual adjust feature for the spark timing of a motorcycle's CDI either to achieve an advance ignition, retarded ignition or simply a normal timed ignitions.

Thursday, May 21, 2015

How to get Free Energy from a Pendulum - Overunity Circuit

In this post we'll try to understand regarding how a pendulum mechanism can be used for achieving overunity and generate electricity in the form of free energy.

Tuesday, May 19, 2015

How to Use HHO Fuel Cell in Automobiles for Enhancing Fuel Efficiency

In this post we'll try to investigate an efficient method of generating and using HHO gas in automobiles for enhancing their mileage by approximately 50% or more, that means a reduction of petrol or diesel consumption by the same amount.

Saturday, May 16, 2015

How to Generate HHO Gas Efficiently at Home - Full Tutorial

Converting water into free HHO fuel gas can be extremely inefficient if ordinary means are employed for the involved electrolysis of water. In this post we try to investigate a circuit design which might be capable of extracting this gas from water using minimum energy and with high efficiency.

Wednesday, May 13, 2015

Zero Crossing Controlled Surge Free Transformerless Power Supply

The post explains the importance of a zero crossing detection in capacitive transformerless power supplies in order to make it completely safe from the mains switch ON inrush surge currents. The idea was proposed by Mr. Francis.

Tuesday, May 12, 2015

5V PWM Solar Battery Charger Circuit

This simple, enhanced, zero drop PWM battery charger circuit can be used in conjunction with any solar panel for charging cellphones or cell phone batteries in multiple numbers quickly, basically the circuit is capable of charging any battery whether Li-ion or Lead acid which may be within the 5V range.

Monday, May 11, 2015

Simplest PWM Modified Sine Wave Inverter Circuit Using IC TL494

A very simple yet highly sophisticated modified sine wave inverter circuit is presented in the following post. The use of the PWM IC TL494 not only makes the design extremely economical with its parts count but also highly efficient and accurate.

Music Triggered Amplifier Speaker Circuit

The circuit idea explained below enables a power amplifier loudspeakers to switch ON only when there's an input music available, otherwise it makes sure that the loudspeakers remain shut off. The idea ws requested by Mr. David Alda.

Saturday, May 9, 2015

RGB LED Color Mixer Circuit

The post explains a simple LM317 IC based RGB 3 watt LED color mixer circuit, which can be used for demonstrating the color mixing effects of red, blue, green colors as specified in the standard color charts. The idea was requested by Mr.Praveen.

What's PWM, How to Measure it

PWM stands for pulse width modulation which signifies the variable nature of the pulse widths that may be generated from a particular source such as a discrete IC, MCU, or a transistorized circuit.
Readers are advised to proceed with the construction of the presented circuits only after understanding the concepts from the core. Not adhering to this can lead to failures and frustrations.
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