Smart City Project

Open source air quality sensor network platform. Things used in this project Hardware components Arduino MKR1000 × 1 PMS5003 dust sensor × 1 Breadboard (generic) × 1 Male Header 40 Position 1 Row (0.1") × 1 SparkFun Snappable Protoboard × 1 Software apps and online services Snappy Ubuntu Core Arduino IDE Digital Ocean It's a hosting service that provides online space for website Fritzing Arduino Web Editor ...

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Secret Knock Detecting Door Lock using Arduino

Protect your secret hideout from intruders with a lock that will only open when it hears the secret knock. This started out as a bit of a joke project, but turned out to be surprisingly accurate at judging knocks. If the precision is turned all the way up it can even detect people apart, even if they give the same knock! (Though this does trigger a lot of false negatives, which is no fun if you're in a hurr ...

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