init

examples/DCTest.py

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+#!/usr/bin/python
+#import Adafruit_MotorHAT, Adafruit_DCMotor, Adafruit_Stepper 
+from Adafruit_MotorHAT import Adafruit_MotorHAT, Adafruit_DCMotor, Adafruit_StepperMotor
+
+import time
+import atexit
+
+# create a default object, no changes to I2C address or frequency
+mh = Adafruit_MotorHAT(addr=0x61)
+
+# recommended for auto-disabling motors on shutdown!
+def turnOffMotors():
+	mh.getMotor(1).run(Adafruit_MotorHAT.RELEASE)
+	mh.getMotor(2).run(Adafruit_MotorHAT.RELEASE)
+	mh.getMotor(3).run(Adafruit_MotorHAT.RELEASE)
+	mh.getMotor(4).run(Adafruit_MotorHAT.RELEASE)
+
+atexit.register(turnOffMotors)
+
+################################# DC motor test!
+myMotor = mh.getMotor(3)
+
+# set the speed to start, from 0 (off) to 255 (max speed)
+myMotor.setSpeed(150)
+myMotor.run(Adafruit_MotorHAT.FORWARD);
+# turn on motor
+myMotor.run(Adafruit_MotorHAT.RELEASE);
+
+
+while (True):
+	print "Forward! "
+	myMotor.run(Adafruit_MotorHAT.FORWARD)
+
+	print "\tSpeed up..."
+	for i in range(255):
+		myMotor.setSpeed(i)
+		time.sleep(0.01)
+
+	print "\tSlow down..."
+	for i in reversed(range(255)):
+		myMotor.setSpeed(i)
+		time.sleep(0.01)
+
+	print "Backward! "
+	myMotor.run(Adafruit_MotorHAT.BACKWARD)
+
+	print "\tSpeed up..."
+	for i in range(255):
+		myMotor.setSpeed(i)
+		time.sleep(0.01)
+
+	print "\tSlow down..."
+	for i in reversed(range(255)):
+		myMotor.setSpeed(i)
+		time.sleep(0.01)
+
+	print "Release"
+	myMotor.run(Adafruit_MotorHAT.RELEASE)
+	time.sleep(1.0)
+
+
+