A fast battery charger circuit charges a battery with enhanced speed so that it is charged in less time than the specified period. This is usually done through a step […]
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Programmable Humidity Controller Circuit
The simple programmable humidity sensor circuit explained in this article can be used for controlling or maintaining a suitable level of humidity inside a close premise. The circuit could be […]
2 Mosquito Swatter Bat Circuits Explained
Mosquitoes are a big menace to humankind and these are present in every corner of the world. A cool way of avenging yourself could by eliminating these “devils” through electrocution. […]
Linear Hall-Effect Sensor – Working and Application Circuit
Linear Hall-effect ICs are magnetic sensor devices designed to respond to magnetic fields to produce a proportionate amount of electrical output. It thus becomes useful for measuring the strength of […]
2 Digital Potentiometer Circuits Explained
The post explains a 2 simple, single chip digital potentiometer circuits which can be controlled through a single pushbutton, a dual pushbutton (up/down) or even through external digital (CMOS/TTL) input […]
220V SMPS Cell Phone Charger Circuit
The post explains how to make a simple, cheap yet extremely reliable smps based 220V/120V mains operated cell phone charger circuit. Why TNYxxx Tiny Switch is Used The TNY series […]