Hello
About P2 LED
From what I checked, it was a PWM with an operating frequency of 1kHz.
However, it does not weaken even at 10 Hz.
Once a signal is obtained, the state is maintained until the next signal.
// PWM: 300-> LED off
// PWM: 400-> LED red
// PWM: 500-> LED green
// PWM: 600-> LED...