In this article we learn how to design and build a solid state contactor circuit using triacs for operating heavy duty loads like submersible borewell pump motors with high reliability, […]
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Using Microwave Oven Parts to build a Soldering Iron Heat Controller
In this post we learn how to scavenge discarded microwave oven parts for making a useful soldering iron heat controller circuit which can then be used for maintaining controlled heat […]
Surge Arrestor Circuit with Measuring Facility
In this post we learn about a simple surge voltage protector circuit using a fuse and a triac crowbar circuit and also learn the method to record and measure the […]
RPM Controller Circuit for Diesel Generators
The post discusses a diesel generator RPM controller circuit for boats using PWM technique and also using a simple triac shunt circuit. The idea was requested by Mr. Dave. Circuit […]
How to Add a Dimmer Facility to a LED Bulb
In this article we learn how to make an LED dimmer circuit for enabling a dimming facility to any mains operated LEDs bulb. How LED Bulbs Work We know that […]
How to Make a Zero Crossing Detector Circuit
Making a zero crossing detector circuit is actually very easy and it could be effectively applied for protecting sensitive electronic equipment against mains switch ON surges. A zero crossing detector […]