Displays a static message centered on the second row of the LCD. Scrolls a custom message on the first and fourth rows of the display. Adjustable scroll speed using a delay in the loop. Ensure the ...

Arduino password system using an I2C keypad with a PCF8574 I/O expander and a 20x4 LCD. Enter a password using the keypad; correct or incorrect status is displayed. The # key submits the password, 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. JEM ...