Wireless DC Motor Speed Control Using Arduino

In this post we are going to construct a circuit which can control the speed of 3 individual DC motors using 3 potentiometers wirelessly over a 2.4 GHz communication link. By Girish Radhakrishnan The speed control for DC motors has enormous application in commercial,scientific and industrial sectors. Even radio control toys like RC cars,RC helicopters […]

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Music Light Circuit without Contact

This music operated dancing light circuit can be positioned in front or near any loudspeaker or an audio source and enable a correspondingly dancing or sequencing lights connected at the output of the circuit. Since the design is based on triacs and mains AC, the lamps are 220V or 120V AC filament lamps, which may […]

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Anti-Theft Tracker Alarm Circuit for Protecting valuable

The anti-theft tracker alarm Circuit explained in this article can be used for protecting any preferred valuable item by attaching the receiver device with it while the transmitter is positioned near the user for the monitoring at a preferred distance away. As long as the item is within the allotted safe range, the transmission from […]

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Push-Button ON/OFF Switch using Schmitt Trigger

A pretty helpful functionality expressed in a simple push-button ON/OFF switch using schmitt trigger circuit that may be well suited for several applications. Basically the output of the Schmitt trigger N1 changes (toggles) as soon as the switch is closed briefly. This single push button toggle ON/OFF function is accomplished in such a straightforward circuit […]

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