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Low Cost/Voltage 3W Class-D Stereo Audio Amplifier for Portable Gadgets

“This low cost low voltage 3W class-D stereo amplifier is based on PAM8403 IC, The PAM8403 is a 3W, class-D audio amplifier. It offers low THD+N, allowing it to achieve high-quality sound reproduction. The new filter-less architecture allows the …

Make Your Own Spy Bug (Arduino Voice Recorder)

“In this project I will show you how I combined an Arduino Pro Mini with a couple of complementary components in order to create a voice recorder which could also be abused as a spy bug. It has a run …

Social Stats Tracker Display With Esp8266

“Frame your followers! Here’s how to build a social media stats tracker display using the a wifi arduino-compatible ESP8266 microcontroller board and several seven-segment displays. This project is an extension of my YouTube Subscriber Counter project, but uses one …

Turny: an alternative bluetooth video game controller

“With Global Game Jam 2018 coming up soon, I had the idea of building an alternative video game controller for which I could design a game for during the jam. I recently got my hands on an Adafruit Bluefruit LE …

Using the PSoC 6 Pioneer Board with the Pioneer IoT Add-on Shield

“The PSoC 6 is the latest addition to Cypress’s powerful PSoC series of processors. The PSoC 6 Pioneer IoT Add-On Shield is the development tool associated with this processor line, sporting an onboard debugger, Arduino compatible headers, CapSense widgets …

Uv Glow Clock - It Spins!

“I wanted to build an unusual clock, and i had some UV Led’s and glow in the dark filament on hand so here we are. The glow disk is printed using glow in the dark (uv) PLA plastic Parts …

3D printing of living cells new UT technique is fast and flexible

“Using a new technique they call ‘in-air microfluidics’, University of Twente scientists succeed in printing 3D structures with living cells. This special technique enable the fast and ‘on-the-fly’ production of micro building blocks that are viable and can be used …

A small-scale demonstration shows how quantum computing could revolutionize data analysis

“Chinese researchers use a powerful new technique to describe mathematical features of a network. Over the past few decades, topology—a branch of mathematics dealing with shapes that can be turned into other shapes by processes like bending and stretching …

Automating materials design

“For decades, materials scientists have taken inspiration from the natural world. They’ll identify a biological material that has some desirable trait — such as the toughness of bones or conch shells — and reverse-engineer it. Then, once they’ve determined the …

How To Make A Line Follower Using Arduino

“If you are getting started with robotics, one of the first project that beginner make includes a line follower. It is a special toy car with property to run along a line which normally is black in color and in …