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Hobby Circuits

All designs, concepts and diagrams presented in this website are Copyright protected, producing them in any form anywhere, without an express consent from the admin will be considered a Copyright infringement, and may trigger a legal action.

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

Last Updated on February 23, 2018 by Swag 18 Comments

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

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 requested by Mr. John Sweden. LED Driver Circuit with Charger/Dimmer The Request: Dear Swag, I’ve been a visitor to your website for many years and Read More

Filed Under: Hobby Circuits, LED Circuits

Mobile Phone Controlled Robot Car Using DTMF Module

Last Updated on February 23, 2018 by Swag 2 Comments

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 project two cell phones, one for calling and one for receiving the call are used. The phone receiving the call is connected to the Read More

Filed Under: Arduino Circuits, ECE/EEE Final year projects, Hobby Circuits, Robotics

200, 600 LED Project on Mains 220V

Last Updated on February 23, 2018 by Swag 25 Comments

200, 600 LED Project on Mains 220V

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 Idris. Let’s Make a Blinking 200 String LED Circuit hello sir please if you don’t mind I need your assistance on blinking LED light that Read More

Filed Under: Hobby Circuits, LED Circuits

Mains 220V Electronic Touch Switch Circuit

Last Updated on February 23, 2018 by Swag 7 Comments

Mains 220V Electronic Touch Switch Circuit

You can convert your existing mains 220V light switch circuit with the electronic touch switch circuit explained in this post. The circuit is built around the chip M668 and it employs just a handful of other components for implementing the proposed  mains touch switch ON/OFF application. By Ritu Panday How this simple mains electronic touch Read More

Filed Under: Appliances, Hobby Circuits

Musical Christmas Decoration Light Circuit

Last Updated on February 23, 2018 by Swag 6 Comments

Musical Christmas Decoration Light Circuit

A very interesting musical Christmas decoration light circuit can be built using a single IC, and some other few passive components, let’s learn the details as furnished below. By: Ritu Panday   How the Circuit Works The circuit of a selectable muti-musical song player with 5 sequential light pattern generator is discussed here using just Read More

Filed Under: Christmas Projects, Hobby Circuits

220V Touch Lamp Circuit with Delay Timer

Last Updated on February 23, 2018 by Swag 2 Comments

220V Touch Lamp Circuit with Delay Timer

The proposed transformerless touch activated 220V delay lamp switch circuit enables the user to momentarily switch ON a table lamp or any other desired bed lamp during night time. By Tina Kamat How the circuit Works. Referring to the circuit above, the four diodes at the input form the basic bridge rectifier circuit for rectifying Read More

Filed Under: Hobby Circuits

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Swagatam is an ardent electronic researcher, inventor, schematic/PCB designer, manufacturer, and an avid publisher. He is the founder of https://homemade-circuits.com/where visitors get the opportunity to read many of his innovative electronic circuit ideas, and also solve crucial circuit related problems through comment discussion.
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