Eckstein komponente KS0530 - Page 102

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(7)Code Explanation:
Serial.begin(9600)-
initialize the serial communication and set the baud
rate to 9600
pinMode(pin, INPUT)-
use the function pinMode() to tell Arduino whether
it is an output pin or an input pin
digitalRead(pin)-
read the digital level of pins,be HIGHT OT LOW
(8)Extension Project：control the LED by the push button module
/*
keyestudio sun_follower
lesson 3.2