LCD Flash during startup of ezLCD-5035

earthlcd / ezLCD-5x

Public Repository for ezLCD-5035-RT release files system, firmware and issue reporting

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Open microlan opened 2 years ago

microlan commented 2 years ago

Describe the issue Flash of LCD backlight during power on; caused by missing pulldown resistor on backlight PWM Signal

Expected behavior No flash

Board Information:

Additional context Also causes random M/A power supply shutdown during power on

microlan commented 1 year ago

Add 220 ohm pulldown on LCD_PWM

microlan commented 1 year ago

Check on the value (220 ohms seems a bit low--might load down the CPU too much?)