Keypad pin 7 to Arduino digital 6 //R2; ... Although the code is an entry-level one, it includes a secret key option that will need to be entered on the keypad. The Serial Monitor will tell whether ...

Not overly confident in his code, ... 45 thoughts on “ Arduino Keypad Door Automation ” Oscar Martinez says: November 1, 2013 at 10:17 pm ...

He’s constructed an Arduino keypad door lock — without using any proper fastening hardware! ... Not overly confident in his code, ...

Makers and developers that enjoy creating projects using the Arduino platform may be interested in a new shield for Arduino that incorporates an LCD JEMshield++, keypad and enclosure all in one.