This LED light bar with dimmable feature will allow the user to adjust the brightness of the lamp in 4 steps, with100%, 50%, 10% and 0% illumination control at each […]
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Rotating LED Chakra Circuit for God Idols
LED Chakra is an ornamental lighting system which depicts or imitates a rotating wheel like appearance, by means of sequentially shifting Illuminated LED arrays. Indian subcontinent is a land of […]
Mobile Phone Controlled Robot Car Using DTMF Module
In this project we are going to control a manual robot through our cellphone using DTMF module and Arduino. By: Ankit Negi, Kanishk Godiyal and Navneet Singh sajwan INTRODUCTION In this […]
10 LED Tachometer Circuit
The post explains how an accurate 10 LED tachometer circuit can be built using ordinary parts like IC 555 and IC LM3915. The idea was requested by Mr. Munsif. What […]
How to Add a Dimmer Facility to a LED Bulb
In this article we learn how to make an LED dimmer circuit for enabling a dimming facility to any mains operated LEDs bulb. How LED Bulbs Work We know that […]
Remote Controlled Fish Feeder Circuit – Solenoid Controlled
In this design a solenoid is operated using an IR remote control, which in turn toggles the fish feeder mechanism. In this article we learn how to make a simple […]