Pin custom configuration
Init Pin mode Pull
Set pin mode
set HIGH
Set the pin high level
set LOW
Set the pin low level
Get Value
Get the value of pin
Set Value
Set the value of pin
Set pin 5 pull-up output high level
Control Servo
Init Pin, freq, min, max,angle range
Initial setting of the servo, Pin=servo pin, freq=frequency of the servo signal, min=minimum pulse width, max=maximum pulse width, angle angle=angle range of the servo
rotate to degree
Servo rotation angle
write us
High level time
Control the servo to switch between 0° and 90°