In this post we try to diagnose a burnt SMPS circuit and try to troubleshoot and repair the circuit. The shown unit is a cheap readymade Chinese make SMPS circuit. […]
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How Crank Flashlights Work
A crank flashlight basically works by hand cranking a permanent magnet motor, which generates electricity for illuminating the attached LEDs. Motor Becomes a Generator Normally, a permanent magnet motor is […]
Designing a Powerful 48V 3KW Electric Vehicle
In this post I have explained a few important parameters related to the making of a 48V 3KW electric vehicle using solar panel, including a full fledged circuit diagram for […]
Automatic Inverter Fan Switch ON while Charging and Inverting Modes
In this post I have explained a simple method of automatically switching ON an inverter fan whenever the unit is operating in the charging mode or inverter mode, in order […]
Arduino based DC Voltmeter Circuit – Construction Details and Testing
In this post, I will show how to construct a DC voltmeter using Arduino where the readings are displayed in 16×2 LCD. The proposed voltmeter design can read […]
Sunrise Sunset Simulator LED Circuit
In this post I have explained how to make a sunrise/sunset simulator circuit using LEDs and just a couple of BJTs. The idea was requested by Mr. Jerry Circuit Objectives […]