1-Watt Single-Channel Audio Amplifier
This simple single-channel audio amplifier is built around 8-pin IC TDA 7052 and uses only a few other components. Two of these can be...
N Space Tech’s Successful Satellite Launch
Sai Divya Kurapati, Founder and Director at N Space Tech and a PhD Research Scholar, aims is to build small, affordable satellites and ground...
Introduction To Raspberry Pi Pico By Making Noise Generator
Raspberry Pi’s first board based on a single microcontroller chip, the Raspberry Pi Pico (Fig. 1), is designed for physical computing—similar in concept to...
Revolutionary Combination of Metaverse and IoT
This DIY focuses on exploring the virtual world. Note that this is a basic design that combines the Metaverse and IoT system, where we...
DIY: A Robot That Can Dream!
“More intelligent than you think.”
A first-of-its-kind dreaming robot that can recognize faces and see dreams - like a human.
Humans have the capability to speak,...
DIY: Create Your Own (Small) Laptop!
Note: We tested and updated this project, available on Smallest Raspberry Pi Laptop.
In this age of flexible working, the usage of laptops anywhere and...
GSM-based SOS Alert Device
The safety of children, elderly people, medical patients and women is a prime concern, whenever they are outside or at home alone. Nobody wants...
DIY: Factory Assembly Inspection Using AI-based Quality Control Camera
Inspecting and controlling the quality of a product is a tedious task when done manually. It requires proper hand-eye coordination, which can get tiring...
DIY: e-Ink-based IoT Touch Switch
e-ink displays are quite impressive as they use electrically activated ink molecules, which doesn't lead to fading away of designs made using it -...
DIY: Low-Cost IoT Solid-state Relay
Electromechanical relays are not reliable power switches. The electromagnet that they use needs to be energised till the plunger is at a specific position,...
Vending Machine For Water and Beverages
Whether for quenching your thirst with water or for simply having fun while consuming soft drinks, daily liquid consumption is an essential part of...
Wearable AC/Heater For Both Hot and Cold Environments
During summer, we all try to stay away as much as possible from excessive exposure to the sun that can cause heatstroke. Since it's...
Wireless Power Transfer With Power Wall
“A wall with no sockets and power outlets but still can provide power - welcome to the future of powering smart home systems“
Recently, while...
Drone/UAV For Mission Planning, Altitude and Position Hold
A drone assists us in performing various complex tasks with ease. But there are certain tasks that we want to be executed automatically rather...
BCI-Based Mind Controlled Computer Using Raspberry Pi
“Now control any PC or play any digital game using brain waves”
Characters in sci-fi movies are often seen operating a computer with their minds....
3D Printed Smart Wearable and Jewellery – Part 2
After making the RFID ring, we will make a device that can read and write the data about the owner. But if every password...
3D Printed Smart Wearable and Jewellery – Part 1
Embedding electronics inside a 3D printed design is quite a challenge. While enabling such a technique opens up a new door for rapid prototyping...
Mind-Controlled Prosthetic Arm
“Now control artificial hands using your mind power. Imagine operating hundreds of such artificial body parts with your thoughts. Isn’t it amazing?“
At times during...