The post presents a simple circuit that may be used for charging a cellphone battery with a laptop battery. The idea was requested by Mr. Gyashuddin. Recharging Cellphone Battery with […]
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Simple ESR Meter Circuit
In this post I have explained a simple ESR meter circuit which can be used for identifying bad capacitors in an electronic circuit without removing them practically from the circuit […]
How to Make a Powerful RF Signal Jammer Circuit
The post describes a simple homemade RF signal jammer circuit that can be used for jamming any RF signal within a radial range of 10 meters. The idea was requested […]
Solar Powered Induction Heater Circuit
In this post I have explained an induction cooker/heater design which may be powered from a solar panel voltage. The idea was requested by Mr. Vamshee Technical Specifications My name […]
How to Make a Solar Panel Optimizer Circuit
The proposed solar optimizer circuit can be used for getting the maximum possible output in terms of current and voltage from a solar panel, in response to the varying sun […]
PIR Ceiling Fan Controller Circuit
In this post I have explained a simple automatic PIR controlled ceiling fan circuit for school college use, which responds and switches ON only in the presence of a human […]