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 ...

#define DFR_LCD_KEYPAD_KEY_RIGHT_ADC_LOW 0 #define DFR_LCD_KEYPAD_KEY_RIGHT_ADC_HIGH 20 #define DFR_LCD_KEYPAD_KEY_UP_ADC_LOW 120 #define DFR_LCD_KEYPAD_KEY_UP_ADC ...

This is a simple implementation of a timer clock with Arduino and the DF Robot (or the Chinese counterpart, D1 Robot) LCD Keypad Shield. Mount the shield on the Arduino board. Set the contrast trimpot ...

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 ...