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Android Things Capacitive Touch Piano

“Play music like a scientist using Android Things and a MPR121 capacitive touch sensor controller.”

DIY Class D Audio Amplifier

“In this project I will show you why a class AB amplifier is pretty inefficient and how a class D amplifier on the other hand improves this efficiency. At the end I will show you how we can apply the …

Do-it-yourself Autonomous Tiny Robot

“I’ve built a cheap robotics platform capable of autonomous movement with modern and readily available parts you can find online. Follow this guide if you want to build a robot but feel limited by platforms like Mindstorms, VEX, and …

Indoor Greenhouse With Touch Screen Control

“Growing your own herbs and flavorings is not just a healthy alternative but is both fun and cost effective too! To further make the project worthwhile, the automated greenhouse will make an attractive addition to any room as a highlight …

Peltier controlled from an Android App

“Arduino temperature control sketch, managed from an Android. This is another example project of the Abetoo IoT Framework. In this case an application for remote control of an arduino-based circuit from an android app. The arduino board used is based …

TIVA Based Digital Calculator

“This project is aimed at making an LCD based Digital Calculator performing various functions. A Calculator is an electronic device which will evaluate various mathematical expressions and calculations. The calculator of this particular project was designed using Tiva TM4c1233GXL micro-controller …

A PWM Dimmer Revisited

“This project revisits one of the (inspirational) earlier projects of dyi_bloke: the “AC PWM Dimmer for Arduino”. There were a number of things in the original design that I wanted to understand in detail and a couple of things I …

Arduino Dynamic Web Control

“This project shows how to control a servo motor from a web browser in real -time using WebSocket. To connect Arduino to internet, we need to use some kind of internet shield such as Ethernet shield, Wifi shield, PHPoC shield …

Arduino Traffic Light

“I have used the drawing from this instructable, to create a separate traffic light. I made the following changes: Holes for LEDs are smaller, for 5mm LEDs (instead of 10mm LEDs); Added tiny platform, so the traffic light can stand …

Bacteria may supercharge the future of wastewater treatment

“Wastewater treatment plants have a PR problem: People don’t like to think about what happens to the waste they flush down their toilets. But for many engineers and microbiologists, these plants are a hotbed of scientific advances, prompting their …