LATEST ARTICLES

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 techniques. At the same time, the device...

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 load, 18W speaker with 18V DC power...

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. Here is a peek at what’s happening...

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 robot.The human body consists of numerous sweat...

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 using Arduino Leonardo.Slide presentations using PowerPoint can...

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 the non-feasibility of setting up permanent arrangements...

How Nanogenerator Band Can Heal Wounds Faster

The triboelectric nanogenerator (TENG) is a fascinating technology that dramatically speeds up healing. It reduces healing time to one-fourth of the normal healing process. It can heal even nasty wounds of...

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 combined in one unit. It is a...

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 produce electricity - enough to light up...

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 for a few seconds only after power...