Door opens for dog without human action needed.

A dog owner who didn't want to be at the beck and call of his dog when it needed to go outside has taken matters into his own hands. David Hunt, dog owner and Raspberry Pi enthusiast, has created a dog door that opens upon canine command.

The project requires a bit of know-how when it comes to soldering and basic electronics, as well as the code used by Raspberry Pi to trigger the device – but fear not – Hunt explains it all over at his website in a step-by-step guide.

Apart from the knowledge requirement, most of the parts were bought cheaply, making it an affordable DIY project to try your own hand at.

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