Question

Did any know how to code arduino uno?​

Answer 1

Answer:

How to Write Arduino Code for Beginners? - Electronics Hub

Explanation:

As the circuit is successfully described with its design and theory, the next step is to write the program or sketch for this circuit and logic in the Arduino IDE. For writing the code easily, we need to follow the following steps. Initialize a pin as output for the LED. Initialize a pin as input for the button or switch.