In the following post I have explained a simple circuit which can be used for alternately switching LEDs with gradual brightening and fading effects. Circuit Operation The circuit can be […]
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How Shunt Regulator TL431 Works, Datasheet, Application
In this post I have explained how a shunt regulator IC works typically in SMPS circuits. We take the example of the popular TL431 device and try to understand its […]
Automatic Door Lamp Timer Circuit
In this article I have explained a simple automatic door light timer circuit which activates every time the door is opened, and switches OFF after a predetermined time if the door is kept open […]
3 Watt, 5 Watt LED DC to DC Constant Current Driver Circuit
The following article provides a simple yet very decent solution for driving powerful LEDs rated at 3 watt or 5 watt. Circuit Objective These 3 watt 5 watt and similar […]
High Current Solar Battery Charger Circuit – 25 Amps
This circuit is capable of providing as high as 25 Amps of current at any specified voltage between 1.25 V to 30V as per the adjustment of the given pot. […]
Making a Cell Phone Controlled Remote Bell Circuit
The following circuit of a cell phone controlled remote bell can be used for ringing bells or alarm devices using your personal cell phone. The unit incorporates an attached cheap […]
