Arduino Based Real-Time Clock With Temperature Display
This project demonstrates how you can build a real-time clock (RTC) with a temperature display using Arduino, DS3231 RTC chip, and SSD1306 OLED display...
Make This Handy Zener Meter For Faster Testing
The circuit presented here is compact and handy for measuring the voltage rating of a Zener diode instantly. To check a Zener diode, it...
Conveyor Jam Detector For Industries
The conveyor jam detector circuit presented here is designed to activate an alarm device or programmable logic controller (PLC) when the speed of the...
Smart HID Device Based on Hand Gestures For PC Control
Many times while giving presentations to a huge audience, we need the help of a keyboard or mouse to navigate through different slides. But...
MATLAB GUI Based Ultrasonic Liquid Level Monitoring System
In this project, an ultrasonic detector is mounted on top of a tank for the detection of liquid level. Monitoring the liquid level in...
Overcurrent Fault Detector
The overcurrent fault detector presented here is a general-purpose current-consumption sensor circuit that raises an alert when the flow of current through the system...
Mesh Networking-Based Smart door with ESP32 Cam
Mesh Networking is a wonderful technology in which multiple sensor nodes share data amongst each other. If somehow any one node or sensor nodes...
Simple Triple Sine Wave Generator
This generator produces audible signals to test microphones and codecs used in audio amplifier equipment. This simple triple sine wave generator can also be...
Smart Glass 2.0 That Can Read Books For Visually Challenged People
Previously, we had made a smart glass that was able to detect the presence of people and recognise them for the visually challenged. Expanding...
ATmega328 Analogue I/O Port Expander Using I2C Bus
This project explains the interfacing of PCF8591 converter (slave) with ATmega328 microcontroller (master) using I2C bus to get direct multiple analogue inputs and outputs....
CORONASECURE : The COVID-19 Health Band
Corona Virus or COVID-19 has shaken the entire world. As per www.worldometers.info more than 121 countries have been affected by the virus. The death...
Configure Arduino Uno As Square Wave Generator
In this project, the Arduino Uno is configured as a square wave generator with user-selectable control of the frequency and duty cycle. The operating...
Smart Touch Panel For Home Automation
Traditional switches are outdated now. These switches have mechanical moving parts that get damaged on continuous use.
Many old switchboards are getting replaced by modern...
ESP32 Talking Clock
The MP3 shield that has come from aliexpess for a mere $1.3 a piece was lying on the table for quite some time as...
ESP32 Cam-Based Smart Bluetooth Lock
A traditional lock can pose problems if the keys required to unlock them get lost. In such a case, they will need to be...
Arduino-Based Tilt Detector
An accelerometer, which is an electromechanical device, can be used for various applications like tilt detection, obstacle detection, motion inputs, earthquake sensing, etc. Tilt...
Making This Versatile Arduino-Based Frequency Generator Is Simple
This is a simple function generator that works in the audio frequency range. It can be useful for amplifier testing, experimentation in digital signal...
Automated Product Sorting By Colour
In this project we are going to make an automated sorting system that uses colour coding to sort a product, helping in managing a...