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Automatically open doors with Arduino!

Reading Time: < 1 minute Automatically open doors with Arduino! Arduino Team — January 12th, 2018 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 […]