1  # SPDX-FileCopyrightText: 2018 Limor Fried for Adafruit Industries
 2  #
 3  # SPDX-License-Identifier: MIT
 4  
 5  # CircuitPython 3.0 CRICKIT demo
 6  import time
 7  
 8  import board
 9  from adafruit_motor import servo, motor
10  from adafruit_seesaw.pwmout import PWMOut
11  from adafruit_seesaw.seesaw import Seesaw
12  from busio import I2C
13  
14  i2c = I2C(board.SCL, board.SDA)
15  ss = Seesaw(i2c)
16  
17  print("Bubble machine!")
18  
19  SERVOS = True
20  DCMOTORS = True
21  
22  # Create 4 Servos
23  servos = []
24  if SERVOS:
25      for ss_pin in (17, 16, 15, 14):
26          pwm = PWMOut(ss, ss_pin)
27          pwm.frequency = 50
28          _servo = servo.Servo(pwm)
29          _servo.angle = 90  # starting angle, middle
30          servos.append(_servo)
31  
32  # Create 2 DC motors
33  motors = []
34  if DCMOTORS:
35      for ss_pin in ((18, 19), (22, 23)):
36          pwm0 = PWMOut(ss, ss_pin[0])
37          pwm1 = PWMOut(ss, ss_pin[1])
38          _motor = motor.DCMotor(pwm0, pwm1)
39          motors.append(_motor)
40  
41  while True:
42      print("servo down")
43      servos[0].angle = 180
44      time.sleep(1)
45      print("fan on")
46      motors[0].throttle = 1
47      time.sleep(3)
48      print("fan off")
49      time.sleep(1)
50      motors[0].throttle = 0
51      print("servo up")
52      servos[0].angle = 0
53      time.sleep(1)