neck_motor_test.py

from servo_motor import ServoMotor

servoLR = ServoMotor(18)
servoUD = ServoMotor(19)

servoLR.setAngle(90)
servoUD.setAngle(90)

cmd_menu = '''
fl: face left
fr: face right
ff: face forward
fu: face up
fd: face down
flu: face left upward
fru: face right upward
fld: face left down
frd: face right down
>> '''

while True:
    cmd = input(cmd_menu)
    print(cmd)

    # face left
    if cmd == 'fl':
        servoLR.setAngle(120)
        servoUD.setAngle(90)
    # face right
    elif cmd == 'fr':
        servoLR.setAngle(60)
        servoUD.setAngle(90)
    # face forward
    elif cmd == 'ff':
        servoLR.setAngle(90)
        servoUD.setAngle(90)
    # face up
    elif cmd == 'fu':
        servoLR.setAngle(90)
        servoUD.setAngle(60)
    # face down
    elif cmd == 'fd':
        servoLR.setAngle(90)
        servoUD.setAngle(120)
    # face left upward
    elif cmd == 'flu':
        servoLR.setAngle(120)
        servoUD.setAngle(60)
    # face right upward
    elif cmd == 'fru':
        servoLR.setAngle(60)
        servoUD.setAngle(60)
    # face left down
    elif cmd == 'fld':
        servoLR.setAngle(120)
        servoUD.setAngle(120)
    # face right down
    elif cmd == 'frd':
        servoLR.setAngle(60)
        servoUD.setAngle(120)