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Temperature dashboard using Arduino UNO, ESP8266 and MQTT

“This sample application performs collection of temperature and humidity values produced by DHT22 sensor and further visualization on the real-time web dashboard. Collected data is pushed via MQTT to Thingsboard server for storage and visualization. Thingsboard is an open-source server-side …

The NanoStillery™ - Automated Whiskey Distillery

“Historically, in Europe at least, it used to be very common for enterprising folk to travel around the land with their distillation equipment strapped to the sides of their donkeys providing a valuable service for owners of orchards and fruit …

The TinyTS – DIY Synth

“The Tiny TS is a credit card sized (100x65mm) fully open-sourced synthesizer with a 1-octave capacitive touch keyboard. It has Audio/CV/Gate outputs and 6 synth parameter dials. The CV’s output 1V/oct and Gate from the keyboard …

ThermoClock: An OpenSource Arduino UNO OLED Clock That Also Measures Temperature

“Today I am going to show you how to make An OpenSource Arduino UNO OLED Clock That Also Measures Temperature. This project is an OpenSource and it’s open to everyone. It doesn’t require any special engineer skills, and …

TPA3118 Amplifier and Speaker

“After using a TPA3118 amplifier module for a while, I thought it would be fun to design my own PCB with the popular TPA311x series of amplifier chips as my first major electronics project. But why stop there? I ended …

Transformerless Adjustable Joule Thief

“Did you have problems winding the toroidal transformer of a regular joule thief? If so then this instructable is for you! And if not it is also an interesting circuit to see. In this instructable I will show you how …

Tutorial to Interface HX711 Balance Module with Load Cell

“This module uses 24 high-precision A / D converter. This chip is designed for high-precision electronic scale and design, has two analog input channels, programmable gain of 128 integrated amplifier. The input circuit can be configured to provide a bridge voltage …

Ultimate configurable dice

“Bored by normal dices…? This design is for you! With ultimate configurable DICE you can easily create your own dice, putting your custom engravings on every six faces! Moreover you can select the dice size, the roundness you want and …

UMN research shows people can control robotic arm with their minds

“Researchers at the University of Minnesota have made a major breakthrough that allows people to control a robotic arm using only their minds. The research has the potential to help millions of people who are paralyzed or have neurodegenerative diseases …

UNIST Engineers Thermoelectric Material in Paintable Liquid Form

“A new study, led by Professor Jae Sung Son of Materials Science and Engineering at UNIST has succeeded in developing a new technique that can be used to turn industrial waste heat into electricity for vehicles and other applications. In …