Thursday, December 2, 2021
Crystal radio prototype

The Forgotten Crystal Radio – Revisited

You may be wondering about this article on a crystal radio in an era of digital broadcasting and digital audio. Crystal radios were quite popular and played an important role in...

Make Your Own Arduino-Based Oxygen Concentrator

In the world highly affected by pandemic there is a huge spike in covid infection cases. With limited resources this fight against Covid 19 virus is an unexpected challenge for the...
millivolt meter

Simple Millivolt Meter Using Arduino

Most multimeters make voltage measurements starting from one volt and some start from 200 millivolts. With such devices lower-value measurement becomes difficult, especially for DIY projects. Here is a circuit that...

AC Current Monitor Using Arduino

Obtaining AC current readings from an AC wire helps us to know the amount of power that electrical appliances consume, promoting effective maintenance of the required load and supply. So today you...
Authors’ prototype of the speed monitoring system

DC Motor RPM Display On Smartphone Using Arduino

This project presents an Arduino based speed monitoring system where the RPM (revolutions per minute) of a DC motor is continuously displayed on a smartphone using Bluetooth communication. The Arduino programming employs...

Position Controlled Linear Actuator with mm Level of Accuracy

Linear actuators are widely used in robotics and mechatronics. But getting their accurate position is complicated. Linear Actuators are very costly (prices start from 10K) and can go up to several...

RFID-Based Automatic Management System

Managing the number of books present in a library or warehouse maintenance of several items is quite laborious and time-consuming. So for today’s project, we will be making a device that can...

Cloud Based Implementation Of Internet of Things (IoT) Using MQTT Brokers

Message Queuing Telemetry Transport (MQTT) is a standardised, lightweight protocol that transmits messages between connected objects in an IoT network. A number of devices and gadgets communicate in real-time using advanced wireless...
Transmitter circuit for Appliances Control With Yoda Module And Arduino

Appliances Control With Yoda Module And Arduino

This project is meant to control electrical appliances like fans and lights. You can configure two Yoda modules, one as receiver and the other as transmitter, to control relays that switch...
ESP32 Touchless Temperature Scanner

ESP32 Touchless Temperature Scanner

Ever since the UK variant of Covid19 hit our country towards the end of March-21, in a span of two weeks we have more than 300 active cases in our small...
 
 
 

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