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Semi-automated Coffee Roaster

“My husband and I already grind and brew our own coffee at home. Now we want to roast it. I also want to learn how to use an Arduino. I put these two things together to create a Semi-Automated Coffee …

Sienci Mill One Air/Oil Mist Coolant System

“Intro:This idea stems from attempts at cutting aluminum at more aggressive rates which often led to melted aluminum on an overheated bit. This coolant system allows for both increased feed/cut depths and prolonged cutting tool life. The design …

Solar Powered Weather Station

“The code and 3D models can be downloaded from github: WeatherStation The code is Arduino based. There are two projects. One for the actual solar weather station which will be outside and one for a small battery powered humidity sensor …

SpaceX Aces Another Rocket Landing After Launching Korean Satellite

“The rocket landing was the 19th that SpaceX has pulled off during orbital launches. These dramatic events are part of the company’s plan to develop completely reusable rockets and space vehicles, a breakthrough that SpaceX founder and CEO Elon …

TerraControl V3.0 - ESP8266 + BLYNK

“Hey guys, after few months of playing with ESP8266 I finally got new version of TerraControl I’m satisfied with and willing to share with you. Some of you might notice I’m skipping version 2.0…that’s because …

Alphabet looks to snowy Michigan to test self-driving cars

“Alphabet Inc’s (GOOGL.O) self-driving car unit Waymo is expanding winter testing as it works to address a potential blind spot for autonomous vehicles: snowy and icy conditions. Waymo said Thursday that Michigan is the sixth state where the …

Arduino Wireless Combination Lock With NRF24L01 and 4 Digit 7 Segment Display

“This project started its life as an exercise to do something with a 4 digit 7 segment display. What I came up with was the ability to enter 4 digit a combination number, but once it was finished, it was …

DIY EEG (and ECG) Circuit

“EEGs are a noninvasive way to look into your brain. While the brain is extremely complex, areas of it can lock into circular firing patterns, resulting in telltale brain waves that one can observe with the right equipment. Intensity of …

DIY Portable Power Inverter (12v DC to 220v AC)

“In this instructable I am going to built a portable power inverter that converts 12v DC TO 220v AC. This is probably the smallest portable homemade inverter you will find here. The goal is to built this inverter to fulfil …

Geo-location Using Only ESP8266 | Without GPS Module

“Its possible to get location with just our tiny little ESP8266 board and nothing else. Curious after reading the title? Yes it’s possible to get location with just our tiny little ESP8266 board. We don’t need anything other …