Merge pull request #161 from ladyada/master

bubbblez

Author: ladyada

Crickits/bubble_machine/main.py

@@ -0,0 +1,48 @@
+# CircuitPython 3.0 CRICKIT demo
+from adafruit_seesaw.seesaw import Seesaw
+from adafruit_seesaw.pwmout import PWMOut
+from adafruit_motor import servo, motor
+from busio import I2C
+import board
+import time
+
+i2c = I2C(board.SCL, board.SDA)
+ss = Seesaw(i2c)
+
+print("Bubble machine!")
+
+SERVOS = True
+DCMOTORS = True
+
+#################### Create 4 Servos
+servos = []
+if SERVOS:
+    for ss_pin in (17, 16, 15, 14): 
+        pwm = PWMOut(ss, ss_pin)
+        pwm.frequency = 50 
+        _servo = servo.Servo(pwm)
+        _servo.angle = 90   # starting angle, middle
+        servos.append(_servo)
+
+#################### Create 2 DC motors
+motors = []
+if DCMOTORS:
+    for ss_pin in ((18, 19), (22, 23)): 
+        pwm0 = PWMOut(ss, ss_pin[0])        
+        pwm1 = PWMOut(ss, ss_pin[1]) 
+        _motor = motor.DCMotor(pwm0, pwm1)
+        motors.append(_motor)
+
+while True:
+    print("servo down")
+    servos[0].angle = 180
+    time.sleep(1)
+    print("fan on")
+    motors[0].throttle = 1
+    time.sleep(3)
+    print("fan off")
+    time.sleep(1)
+    motors[0].throttle = 0
+    print("servo up")
+    servos[0].angle = 0
+    time.sleep(1)