SMS-Based Smart Notice Board
We are all familiar with how notice boards in schools, offices, colleges and railway platforms look like. But have you ever wondered how they...
AI-Based Robot Carries Out Precise And Risk-Free Blood Sampling
The ability of the robot to efficiently collect blood samples and give highly correct results prevents deadly infections caused due to improper blood drawing...
Make Your Own 15W Audio Amplifier
Here is a simple audio amplifier circuit based on TDA2050 IC. This amplifier can deliver an output power of around 15W for an 8-ohm...
Wireless Communication Keeping Pace with Next-Gen Technologies
To keep pace with the new technologies like the Internet of Things, Artificial Intelligence and 5G spectrum, the wireless technologies are also getting upgraded....
Robots Can Now Sweat To Cool Themselves Just Like Humans
A new 3D-printed polymer enables robots to perspire, leading to rapid cooling of several overheated motors and engines involved in the functioning of a...
Make A Smart Presentation IR Pointer Using Arduino
Smart presentation pointers are readily available in the market but are expensive. Here is a simple, easy-to-build, inexpensive and infrared (IR)-based smart slide pointer...
Load Bearing Shape-Shifting Blocks Controlled By Arduino Board
This unique innovation addresses the common problems associated with non-temporary, space-occupying furniture, among others.
Due to ever-increasing shortage of free space in enclosed rooms and...
Build Your Own Miniature VAW Meter
The circuit presented here can measure voltage (V), current (A) and wattage (W) on an OLED. It is actually voltmeter, ammeter and wattmeter circuits...
Electricity Generation Using Just Few Drops Of Water
With a working principle similar to that of a transistor/FET, water droplets on coming in contact with an electrically charged surface were able to...
Automatic Power-Resumption Alarm
Most power-resumption alarm devices produce non-stop alarm when power resumes. To overcome this problem, here is an automatic Power-Resumption alarm circuit that sounds an alarm...
