i find the dobot a bad arm
needs python 32bit, used conda to install environment on windows. works.
see dobot-magician-demo-description.pdf
there are 3 more examples in the d/l section.
connect the servo to GP3 using the 4 pin JST connector, it will then be controlled
see 5.17.3 “PWM OUTPUT” in user guide 1.7
from github docs