This shield consists of three logical parts: - 1602LCD with HD4780 Dot Matrix Liquid Crystal Display Controller/Driver. - 6 button keypad. - Analog pins, 5V and GND pass through. Additional ...

This is an arduino computer that utilizes an lcd keypad shield as input and output. When turning on the arduino you are greeted with a four bit byte set to 0000. You can change this byte's value and ...

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 ...

Often times, we need to secure a room at our home or office (perhaps a secret dexter’s laboratory) so that no one can access the room without our permission and ensure protection against theft or loss ...

In an era where homeowners frequently leave for work or education, robust security for residences is imperative. Traditional security measures, including window and door locks, present challenges such ...

Abstract: In an era where homeowners frequently leave for work or education, robust security for residences is imperative. Traditional security measures, including window and door locks, present ...