WT32-SC01
12/14
Wireless-Tag Technology Co., Limited
http://www.wireless-tag.com
Function Development
1
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Screen Brightness Adjustment
As shown in Figure 8-1, GPIO23 of ESP32 is a pin to control the LCD backlight, Users can control the
backlight on and off through IO23 or adjust the backlight brightness of the LCD through PWM
modulation.
Figure 8-1: LCD backlight control diagram