Let's try to use the input function of the I/O port of Arduino, that is, to read the output value of the external device. We use a button and a LED lamp to complete an input and output experiment. Date : 2025-08-12
Size : 857kb
User : acba
It is to expand the above key control light experiments to 3 keys corresponding to 3 small lights, 6 digital I/O interface, to realize the control of the light. Date : 2025-08-12
Size : 568kb
User : acba