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Here, RGB LED light intensity and colour change with the rhythm and volume of music. It is a great idea to have such a lighting system at home, gym or music school. This circuit is based on ATmega8A microcontroller...
In this project, the presenter will show you how to create a Laptop Power Bank. It mainly consists of a Li-Ion battery pack and one buck and boost converter. This way the Power Bank can get charged up through...
Presented here is an obstacle-avoidance robot without microcontroller (MCU). The obstacle-avoidance feature is commonly found in autonomous cars and robots. Most obstacle-avoidance robots are costly and difficult to build because of MCUs. This project is simple and does not...
  You might have seen and used badges with various logos and smiles. But have you ever seen any electronic badge? In this project, we are going to make a Programable OLED Display based badge that shows your logo and message...
Panel meters in regulated power supplies are used to display electrical parameters like voltage and current. Presented here is a DC Panel Meter circuit to display DC voltage and current of power supplies, including DIY-type ones. Circuit and working Circuit diagram...
This article covers the designing of an FM receiver using GNU Radio software and RTL-SDR hardware on Ubuntu operating system (OS). With advancements in software-defined radio (SDR), more supports are available for SDR hardware to be used with computers....
This project presents the implementation of a MATLAB graphical user interface (GUI)-based approach to wirelessly control the movement of a robotic car. Commands to move the car in forward, reverse, right and left directions are sent from the GUI,...
This project describes the steps to get started with Qt software on Raspberry Pi operating system. Qt is a platform-independent application that can run on all desktop and mobile operating systems (OSes), in addition to most embedded OSes—including Linux...
Infrared (IR) remote-controlled RGB bulbs available in the market are extremely expensive. Here is a simple, easy-to-build and inexpensive circuit built using Arduino Uno R3. The project demonstrates how to turn on/off or vary the colours of an RGB...
Gas detector systems are mainly used for sensing the presence of gas leaks and then taking an action, such as automatically shutting down the source of gas or sounding an alarm to inform the people in the area about...