Keyestudio ESP32 - 4. Test Code

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ESP32 Starter Kit

3. Wiring Diagram

4. Test Code

We adopt “for” statement to increase a variable from 0 to 255, and deﬁne the variable as PWM output (analogWrite(pin,

value)). By the way, a delay time may reinforce the control of LED shining time. Next, we use another “for” statement

to decrease it from 255 to 0 with a delay time to control LED dimming process.

1. Drag the two code blocks.

9.2. Scratch Project 171