In few of my previous articles I have explained a handful of GSM remote control circuits using ordinary cell phones as the modem. All those designs incorporated the ringtone of […]
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How to Control Motor with a Cell Phone
In the following post I have explained a very simple circuit idea which can be used for controlling a motor’s rotational direction i.e. for moving it either clockwise or anticlockwise […]
Make this LED Driver Circuit for Backlighting Small LCD Screens
In this post we study a LED driver circuit specially designed for backlighting LCD screens applications, Introductionlet’ learn more about this interesting device. Introduction Today LCD products have become very […]
3 Best LED Bulb Circuits you can Make at Home
In this post I have elaborately explained how to build a 3 simple LED bulb using many LEDs in series and powering them through a capacitive power supply circuit. Warning: […]
Simple Car Shock Alarm Circuit
A simple car shock alarm circuit I have I have explained in this article can eb effectively used to alarm the owner each time the car comes across some kind […]
Simple Ignition Code Lock Circuit for Automobile Protection
This extremely simple code lock switch circuit can be used for locking a vehicle’s ignition by typing a hidden code over the given micro switch keypads. So now you can […]
