Automatically open doors with Arduino!

Tired of doing the mundane task of opening your door? This hack from Sieuwe Elferink takes care of that for you, using an Arduino Uno for control.

When someone comes within 50 cm of an ultrasonic sensor attached to the door, the Arduino uses an H-bridge relay to power a windshield wiper motor, which opens and closes it via a linkage setup. Another sensor is implemented on the opposite side of the door, allowing hands-free travel both ways!

Want to build your own? You can find instructions here, while code is available on GitHub.

Arduino Blog

Eliminate shop dust automatically with Arduino

What’s the best way to dispose of the dust that is produced when cutting with power tools? YouTuber Bob Claggett’s answer is to automate the process entirely, using a series of PVC sewer pipes to transport air to a central vacuum system, along with an Arduino Uno for control.

Airflow is regulated via a blast gate for each power tool, which is opened and shut using a hobby-style servo and custom linkage system. The powerful dust collector is controlled with the help of a relay.

Cleverly, a voltage sensor is employed for each power tool needing dust collection, allowing the Arduino to turn on the system and decide which gate to open without any human interaction.

Want a similar system for your workshop? Be sure to check out Claggett’s entire build in his write-up here and in the video below!

Arduino Blog

Learning the data, automatically – Part 2

Part one of this series looked at how the data collected by autonomous cars can be analysed and used by insurers and car manufacturers to constantly develop and improve both vehicles and their risk. The next step is to consider how that data can be used and ‘learnt’ by the cars themselves. All of us […]

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