Hobby Robotics 21 circuit | Next Electronics

The Arduino system provides a straightforward and open-source approach for programming microcontrollers. Typically, this involves using a serial or USB cable directly connected to the microcontroller project. However, challenges arise when the project is located in inaccessible areas, such as...

Microcontroller Based Telephone Remote Control Circuit

This device enables remote control of various appliances (up to eight with suitable add-on expansion boards) such as lights, water heaters, air conditioning, plant watering systems, alarms, etc., via a relay. It allows users to perform actions such as watering...

Arduino solenoid project behaves strangely when operated on PC power supply

A 9 V DC battery initially powered the solenoid valve effectively. However, the solenoid did not generate sufficient force due to inadequate DC power. A modification was made to use a computer power supply as the power source. Providing +12...

Small Arduino DMX controller

This document outlines the process of creating a compact and efficient Arduino DMX512 controller, which can be utilized to operate devices like a smoke machine via DMX or serve as testing equipment. The configuration includes six channels controlled by variable...

Appliance Remote Control Arduino Project

Starting today, interesting Arduino projects from various sources will be shared. The author is a novice in this field but is committed to understanding it fully. It should be noted that the projects are not developed by the author, and...

Interactive Voice Response System

Nowadays every institution needs automation. As a part of college automation, a project has been developed for a Voice Interactive System for College Automation. This project allows users to quickly access student attendance and marks through the telephone line without...

10 or more switches using a microcontroller

There are several methods to read multiple switch inputs using a reduced number of microcontroller unit (MCU) pins. One approach involves using an analog MCU pin to read multiple switches by assigning a unique voltage to each switch through a...

Xbee doorbell project

When the start button is pressed, the Arduino selects a random 4-digit code and flashes lights to indicate the code. If the user successfully repeats the code using the other buttons, the XBee module sends a message to another XBee...

arduino How can I display a scoreboard on stage for a play

A scoreboard is located in the center of the room, which will be controlled from backstage. The scoreboard features two individual 3-digit numbers. Whenever the score changes, a sound will be emitted. The simplest, most efficient, and cost-effective solution identified...