The explained 5 circuits below are universal simple audio mixer circuits, that may be customized and upgraded to 5 channel or even 10 channel mixers, as desired by the user. […]
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Charging Battery with Piezo Mat Circuit
In this post we learn a method to harvest free electricity from a piezo embedded mat by walking on it, and try to investigate how this energy may be used […]
Automatic Inverter Fan Switch ON while Charging and Inverting Modes
The post explains a simple method of automatically switching ON an inverter fan whenever the unit is operating in the charging mode or inverter mode, in order to ensure optimum […]
GSM Pump Motor Controller Circuit using Arduino
In this post we are going to construct a farmer friendly GSM pump motor controller circuit which couldturn on and off the irrigation system remotely from anywhere in the world […]
1.5V Power Supply Circuit for Wall Clock
The post presents a simple transformerless 1.5V DC power supply circuit which can be used for powering wall clocks directly from mains, and also keep a stand by back-up cell […]
How to Make a Shake Powered Flashlight Circuit with Magnets and Coils
The post discusses a shake powered flashlight circuit using an simple copper coil and a magnet. The idea was requested by Mr. Dennis Bosco Demello The Design Electromagnetism was proved […]