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7
Apr
2013

Keypad Security Door Lock

I just finished my Keypad Security Lock project a week or so ago, which I’ve been working on and off with a break in the middle for the past few weeks now. Held together with sticky pads and hookup wire, I present my latest creation:

(excuse the shoddy camera angles, it’s tricky to hold the camera and type when the keypad is on the other side of the door!)

Components:
ATmega 328P
Strip board
ABS housing
Full rotation servo (why did I get a full rotation one…)
Reed switch and magnet pair (to accommodate for the decision above)
3×4 matrixed keypad
240v -> 0.7A 5v mains transformer
ribbon cable, hookup wire, resistors, etc.

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21
Jun
2012

Hello World

Welcome to my blog! I aim to fill it with interesting stuff related to electronics, programming, computers and all that good stuff. I hope you find it interesting! If you’ve got any questions feel free to send me an email.

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Fork me on GitHub