This Arduino project uses a 4x4 keypad and an I2C LCD display to create a simple calculator. It supports basic operations like addition, subtraction, multiplication, and division. Users input numbers ...

The data entered through the 4x4 keypad is sent to the Arduino via the I2C communication protocol. The degree command entered is sent to the A4988 module by the Arduino, and the stepper motor moves to ...

Whenever a key is pressed in keypad module the Arduino Uno detects it and shoes the corresponding key on 16x2 LCD. [Also check: Keypad Interfacing with 8051 Microcontroller] Components Required.

JC Pro Macro is an Arduino based USB keypad with a rotary encoder, five mechanical keyboard keys, an optional OLED display, and some I/O pins. Skip to content. ... (I2C) to control an optional ...

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.