Circuit Diagram: The complete circuit diagram of this Arduino Calculator Project is given above. The +5V and ground connection shown in the circuit diagram can be obtained from the 5V and ground pin ...

Description The project utilizes an Arduino board, a 4x4 matrix keypad, and a 16x2 I2C LCD display. Users can input numbers and select operations using the keypad, and the result is displayed on the ...

These are my Arduino Projects that you can use or modify, for us to help each other. - 8DUINOide/ARDUINO-PROJECTS ...