One note for embedded blue bridge cup LED type

Let’s take a look at this schematic first. The

right port is obviously a common anode LED light port.
At this time, it should be set to low level to turn on the LED.
High level to turn off the LED.
However, I configured the LED today and found that it is the opposite.
with no way out
through repeated testing
should be assigned to the latch negate operation of the
harm