Whenever a valid key is swiped, the Arduino triggers a relay which can then be used to control just about anything. In this case, [Jason] plans to use it to control his garage door. The system ...

He’s constructed an Arduino keypad door lock — without using ... entire setup is held up rather artistically using good old duct tape. The system auto-locks after 5 seconds, and just in ...

Over on Adafruit, they show you how to build your own that hooks into IFTTT so you can be alerted any way you like when the door opens. The system here uses a cheap Arduino board, a few sensors ...

From there, you'll just compile the code onto the Arduino and you can then access your garage door from anywhere. The end result is a pretty straightforward system where you'll enter a password ...