Enjoy This Wireless 3D Mouse And Keyboard
We have seen different types of human interface devices (HID), such as mouse and keyboard. In older versions of the mouse, optical sensors were...
This IR Remote Can Control Up To Eight Devices
This Device Controller project based on an 8-bit ATmega328P microcontroller (MCU) can control up to eight devices connected to its electromagnetic relays. The article...
Try Making This TFT-Based GPS Analogue Clock Using Arduino
This GPS-based project displays analogue clock and room temperature on a TFT display. GPS time is a precise time standard that is related to...
OTP Based Wireless Smart Lock System
This is a one-time password (OTP) based smart locking system using Arduino and Bluetooth. It can generate a new password every time you try...
Protect Your Appliances With This Power-On Delay Timer
This simple delay timer circuit is used to prevent noise and spike in electrical equipment before switching on the main input supply. Most electrical...
Create A GUI Program For Raspberry Pi And Arduino
This article describes the procedure to set up Arduino as a slave device, which gets all control signals from Raspberry Pi running a Python...
Get Set Go with Raspberry Pi Camera
This project describes how to connect a web camera to the Raspberry Pi and make use of it. Raspberry Pi board has an onboard...
Contactless UI Control For Lifts
Lifts/elevators in buildings, hotels and hospitals are used by many people. If it’s a structure with over more than 100 floors, then using stairs...
Turn Your Phone Into IR Contactless Thermometer
Since the outbreak of COVID-19, it has become essential to regularly monitor the human body temperature without coming into contact with the measuring device...
Make Your Own Password Locker
A password locker usually has an electromagnetic lock that opens only when the correct password is entered. The circuit presented here for such a...
Make A Crystal-Locked FM Transmitter
The circuit presented here uses a crystal oscillator and frequency multiplier to generate a highly-stable carrier signal frequency of 96MHz. With 40mW of RF...
Contactless IR Thermometer For COVID-19 Detection
Due to the break out of COVID-19, we need to check our body temperature wherever we go - from hospitals to airports - to...
Design Your Own Digital Photo Frame
This digital photo frame is designed using Arduino Uno. Smartphones with high-resolution cameras and enhanced features have motivated people to click photos of almost...
Make This Noise Detector For A Noise-Free Zone
‘Please Keep Silence!’ You must have seen this message written in such places as libraries and offices. But some people tend to, intentionally or...
Smart Water Meter To Help Control Water Wastage
Increasing water consumption and wastage is leading to water scarcity. While a large population has no safe drinking water, some people use a lot...
Surround Yourself With Sound From Three-Channel Audio Amplifier
This article presents a simple, low-cost audio amplifier with three channels built around two TEA2025 ICs. The amplifier works from an AC or a...
Stephen Hawking Wheelchair Model Controlled By Eye Motion Part-1
Body paralysis caused by severe neural conditions is one of the most complicated and dreaded things to happen to humans. It makes the daily...
1.5W Power Amplifier
Here we put all the theory to work and present a simple 1.5W power amplifier module that can be easily built with readily available...