Backlight widget is to control the brightness of the backlight and the backlight sleep mode.
I/O Pin Name
Property
Description
Operation
Widget Name
Widget displayed name
Name
Link to User Manual
Link to IOT’s website for User Manual
Backlight Pin Configuration
Property
Description
Operation
Enable
Enable this backlight control pin. If not enabled, the backlight is set to be 100% brightness and default backlight PWM frequency.
Checkbox
Binding Register
Select a binding register whose value (0-100) represents the brightness percentage of the backlight
Register Selector
Customized Backlight PWM Frequency
Enable the customized backlight PWM frequency
Checkbox
Customized Backlight Freqency(Hz)
Backlight PWM frequency from500Hz-100000Hz. Every LCM has its own optimized backlight frequency. Please refer to the LCM’s user manual for this technical detail.
Number Editor
Screen Lock
Property
Description
Operation
Enable Screen Lock
Enable the screen lock function
Checkbox
Binding Screen Lock Control Register
Bind a register whose value determines if the screen is locked or not
Checkbox
Control Register
When this control register’s value is True, then Screen Lock function is enabled.
Register Selector
Time(s)
Set the screen idle time in seconds before triggering Screen Lock function
Number Editor