In this post we learn through two examples how to build a simple110 V or 220 V AC light dimmer circuit for controlling light intensity with pot, using the principle […]
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Using Triacs for Controlling Inductive Loads
Here we try to investigate a few enhanced triac based phase controller circuits which can be recommended for controlling or operating inductive loads like transformers and AC motors much safely […]
How to Make a 25 Amp, 1500 watts Heater Controller Circuit
In this article we will try to understand the making of a 1500 watt simple heater controller circuit at 25 amp current rate using an ordinary triac based dimmer switch […]
How to Make a 220V to 110V Converter Circuit
In this post we will unravel a few homemade crude 220V to 110V converter circuits options which will enable to user the user use it for operating small gadgets with […]
9 Simple Metal Detector Circuits Explained
The post explains 9 simple metal detector circuits using LC tuned concept, magnetic absorption concept, and the beat frequency oscillator (BFO) concept. The BFO technique is considered to be the […]
AC Motor Speed Controller Circuits using Back EMF
In this post we discuss a few circuit diagrams for building AC motor speed controller circuits using back EMF concept. Working Principle of AC Motors All household appliances like electric […]