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Search Results for: led

Cellphone Controlled Dog Feeder Circuit

Last Updated on September 11, 2019 by Swagatam

A cellphone controlled dog feeder is feeding system for pets and animals which allows a remote controlled refilling of food in the container of the feeder by the owner, without […]

Filed Under: Arduino Engineering Projects, GSM Projects

3D Moon-Sphere LED Driver with Charger and Dimmer Circuit

Last Updated on August 29, 2020 by Swagatam 41 Comments

In this post we learn how to build a homemade LED driver with dimmer and charger circuit for illuminating a 3D moon from a 5V USB source. The idea was […]



Filed Under: 4017 IC Circuits, DIY LED Projects

Joystick Controlled 2.4 GHz RC Car Using Arduino

Last Updated on July 3, 2019 by Swagatam

In this post we are going to construct a car robot which can be controlled using a joystick on 2.4 GHz wireless communication link. The proposed project is not only […]

Filed Under: Arduino Engineering Projects

Password Controlled AC Mains ON/OFF Switch

Last Updated on June 12, 2019 by Swagatam

In this post we are going to construct a password based mains ON/OFF switch circuit, which can turn ON and OFF the AC mains supply, only when correct password is […]

Filed Under: Arduino Engineering Projects

Mobile Phone Controlled Robot Car Using DTMF Module

Last Updated on July 21, 2019 by Swagatam

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 […]

Filed Under: Arduino Engineering Projects

200, 600 LED String Circuit on Mains 220V

Last Updated on March 13, 2019 by Swagatam 37 Comments

The post details the construction of a 200 to 600 LED project, using series parallel  LEDs for creating an alphabetical display sign board. The idea was requested by Mr. Mubarak […]

Filed Under: DIY LED Projects



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