In few of my previous articles we discussed a handful of GSM remote control circuits using ordinary cell phones as the modem. All those designs incorporated the ringtone of the […]
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How to Control Motor with a Cell Phone
The following article describes 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 through alternate miss […]
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
The post elaborately explains how to build a 3 simple LED bulb using many LEDs in series and powering them through a capacitive power supply circuit. Warning: Circuits explained below […]
Simple Car Shock Alarm Circuit
A simple car shock alarm circuit presented in this article can eb effectively used to alarm the owner each time the car comes across some kind of vibrational intrusion ether […]
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 […]