arduino keypad lock 1 Articles Arduino Keypad Door Automation. November 1, 2013 by James Hobson 45 Comments [Andrea] just sent us this great student hack he made for his room. He’s ...

Arduino 42-Digit SPI Keypad Matrix (video) 1:01 pm April 19, 2017 By Julian Horsey. ... Be programmed to act as an extensive combination lock 4) Offer commands, such as ENTER, LOAD, ...

A keypad is one of the most commonly used input devices in microprocessor applications. In a standard keypad wired as an X-Y switch matrix, normally-open switches connect a row to a column when ...

DIY Keypad Door Lock. Whitson Gordon September 12 ... but Arduino fans will love this clever hack—especially if you're the type that locks yourself out of your room a lot.

Arduino Four Factor Lock Box Created (video) ... The box can be unlocked using a keypad, three tunable knobs, a ‘knocking’ pattern (through a piezo electric sensor), ...