SunFounder ESP32

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SunFounder ESP32 Starter Kit

Code

Note:

• Open the 2.2_fading_led.py ﬁle located in the esp32-starter-kit-main\micropython\codes path, or

copy and paste the code into Thonny. Then, click “Run Current Script” or press F5 to execute it.

• Make sure to select the “MicroPython (ESP32).COMxx” interpreter in the bottom right corner.

# Import the necessary libraries

from machine import Pin, PWM

import time

# Create a PWM object

led = PWM(Pin(26), freq=1000)

while True:

# Gradually increase brightness

for duty_cycle in range(0, 1024, 1):

led.duty(duty_cycle)

time.sleep(0.01)

# Gradually decrease brightness

(continues on next page)

3.8. 2.2 Fading LED 313