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4 changes: 2 additions & 2 deletions docs/examples.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -3,8 +3,8 @@ Simple tests

Ensure your device works with this simple test.

.. literalinclude:: ../examples/motor_servo_sweep.py
:caption: examplesmotor_servo_sweep.py
.. literalinclude:: ../examples/motor_servo_sweep_simpletest.py
:caption: examplesmotor_servo_sweep_simpletest.py
:linenos:

.. literalinclude:: ../examples/motor_pca9685_dc_motor.py
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78 changes: 39 additions & 39 deletions examples/motor_pca9685_continuous_servo.py
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@@ -1,39 +1,39 @@
import time

from board import SCL, SDA
import busio

# Import the PCA9685 module. Available in the bundle and here:
# https://github.com/adafruit/Adafruit_CircuitPython_PCA9685
from adafruit_pca9685 import PCA9685

from adafruit_motor import servo

i2c = busio.I2C(SCL, SDA)

# Create a simple PCA9685 class instance.
pca = PCA9685(i2c)
# You can optionally provide a finer tuned reference clock speed to improve the accuracy of the
# timing pulses. This calibration will be specific to each board and its environment. See the
# calibration.py example in the PCA9685 driver.
# pca = PCA9685(i2c, reference_clock_speed=25630710)
pca.frequency = 50

# The pulse range is 750 - 2250 by default.
servo7 = servo.ContinuousServo(pca.channels[7])
# If your servo doesn't stop once the script is finished you may need to tune the
# reference_clock_speed above or the min_pulse and max_pulse timings below.
# servo7 = servo.ContinuousServo(pca.channels[7], min_pulse=750, max_pulse=2250)

print("Forwards")
servo7.throttle = 1
time.sleep(1)

print("Backwards")
servo7.throttle = -1
time.sleep(1)

print("Stop")
servo7.throttle = 0

pca.deinit()
import time
from board import SCL, SDA
import busio
# Import the PCA9685 module. Available in the bundle and here:
# https://github.com/adafruit/Adafruit_CircuitPython_PCA9685
from adafruit_pca9685 import PCA9685
from adafruit_motor import servo
i2c = busio.I2C(SCL, SDA)
# Create a simple PCA9685 class instance.
pca = PCA9685(i2c)
# You can optionally provide a finer tuned reference clock speed to improve the accuracy of the
# timing pulses. This calibration will be specific to each board and its environment. See the
# calibration.py example in the PCA9685 driver.
# pca = PCA9685(i2c, reference_clock_speed=25630710)
pca.frequency = 50
# The pulse range is 750 - 2250 by default.
servo7 = servo.ContinuousServo(pca.channels[7])
# If your servo doesn't stop once the script is finished you may need to tune the
# reference_clock_speed above or the min_pulse and max_pulse timings below.
# servo7 = servo.ContinuousServo(pca.channels[7], min_pulse=750, max_pulse=2250)
print("Forwards")
servo7.throttle = 1
time.sleep(1)
print("Backwards")
servo7.throttle = -1
time.sleep(1)
print("Stop")
servo7.throttle = 0
pca.deinit()
124 changes: 62 additions & 62 deletions examples/motor_pca9685_dc_motor.py
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@@ -1,62 +1,62 @@
# This example uses an Adafruit Stepper and DC Motor FeatherWing to run a DC Motor.
# https://www.adafruit.com/product/2927

import time

from board import SCL, SDA
import busio

# Import the PCA9685 module. Available in the bundle and here:
# https://github.com/adafruit/Adafruit_CircuitPython_PCA9685
from adafruit_pca9685 import PCA9685

from adafruit_motor import motor

i2c = busio.I2C(SCL, SDA)

# Create a simple PCA9685 class instance for the Motor FeatherWing's default address.
pca = PCA9685(i2c, address=0x60)
pca.frequency = 100

# Motor 1 is channels 9 and 10 with 8 held high.
# Motor 2 is channels 11 and 12 with 13 held high.
# Motor 3 is channels 3 and 4 with 2 held high.
# Motor 4 is channels 5 and 6 with 7 held high.

# DC Motors generate electrical noise when running that can reset the microcontroller in extreme
# cases. A capacitor can be used to help prevent this. The demo uses motor 4 because it worked ok
# in testing without a capacitor.
# See here for more info: https://learn.adafruit.com/adafruit-motor-shield-v2-for-arduino/faq#faq-13
pca.channels[7].duty_cycle = 0xffff
motor4 = motor.DCMotor(pca.channels[5], pca.channels[6])

print("Forwards slow")
motor4.throttle = 0.5
print("throttle:", motor4.throttle)
time.sleep(1)

print("Forwards")
motor4.throttle = 1
print("throttle:", motor4.throttle)
time.sleep(1)

print("Backwards")
motor4.throttle = -1
print("throttle:", motor4.throttle)
time.sleep(1)

print("Backwards slow")
motor4.throttle = -0.5
print("throttle:", motor4.throttle)
time.sleep(1)

print("Stop")
motor4.throttle = 0
print("throttle:", motor4.throttle)
time.sleep(1)

print("Spin freely")
motor4.throttle = None
print("throttle:", motor4.throttle)

pca.deinit()
# This example uses an Adafruit Stepper and DC Motor FeatherWing to run a DC Motor.
# https://www.adafruit.com/product/2927
import time
from board import SCL, SDA
import busio
# Import the PCA9685 module. Available in the bundle and here:
# https://github.com/adafruit/Adafruit_CircuitPython_PCA9685
from adafruit_pca9685 import PCA9685
from adafruit_motor import motor
i2c = busio.I2C(SCL, SDA)
# Create a simple PCA9685 class instance for the Motor FeatherWing's default address.
pca = PCA9685(i2c, address=0x60)
pca.frequency = 100
# Motor 1 is channels 9 and 10 with 8 held high.
# Motor 2 is channels 11 and 12 with 13 held high.
# Motor 3 is channels 3 and 4 with 2 held high.
# Motor 4 is channels 5 and 6 with 7 held high.
# DC Motors generate electrical noise when running that can reset the microcontroller in extreme
# cases. A capacitor can be used to help prevent this. The demo uses motor 4 because it worked ok
# in testing without a capacitor.
# See here for more info: https://learn.adafruit.com/adafruit-motor-shield-v2-for-arduino/faq#faq-13
pca.channels[7].duty_cycle = 0xffff
motor4 = motor.DCMotor(pca.channels[5], pca.channels[6])
print("Forwards slow")
motor4.throttle = 0.5
print("throttle:", motor4.throttle)
time.sleep(1)
print("Forwards")
motor4.throttle = 1
print("throttle:", motor4.throttle)
time.sleep(1)
print("Backwards")
motor4.throttle = -1
print("throttle:", motor4.throttle)
time.sleep(1)
print("Backwards slow")
motor4.throttle = -0.5
print("throttle:", motor4.throttle)
time.sleep(1)
print("Stop")
motor4.throttle = 0
print("throttle:", motor4.throttle)
time.sleep(1)
print("Spin freely")
motor4.throttle = None
print("throttle:", motor4.throttle)
pca.deinit()
112 changes: 56 additions & 56 deletions examples/motor_pca9685_servo_sweep.py
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@@ -1,56 +1,56 @@
import time

from board import SCL, SDA
import busio

# Import the PCA9685 module. Available in the bundle and here:
# https://github.com/adafruit/Adafruit_CircuitPython_PCA9685
from adafruit_pca9685 import PCA9685
from adafruit_motor import servo

i2c = busio.I2C(SCL, SDA)

# Create a simple PCA9685 class instance.
pca = PCA9685(i2c)
# You can optionally provide a finer tuned reference clock speed to improve the accuracy of the
# timing pulses. This calibration will be specific to each board and its environment. See the
# calibration.py example in the PCA9685 driver.
# pca = PCA9685(i2c, reference_clock_speed=25630710)
pca.frequency = 50

# To get the full range of the servo you will likely need to adjust the min_pulse and max_pulse to
# match the stall points of the servo.
# This is an example for the Sub-micro servo: https://www.adafruit.com/product/2201
# servo7 = servo.Servo(pca.channels[7], min_pulse=580, max_pulse=2350)
# This is an example for the Micro Servo - High Powered, High Torque Metal Gear:
# https://www.adafruit.com/product/2307
# servo7 = servo.Servo(pca.channels[7], min_pulse=500, max_pulse=2600)
# This is an example for the Standard servo - TowerPro SG-5010 - 5010:
# https://www.adafruit.com/product/155
# servo7 = servo.Servo(pca.channels[7], min_pulse=400, max_pulse=2400)
# This is an example for the Analog Feedback Servo: https://www.adafruit.com/product/1404
# servo7 = servo.Servo(pca.channels[7], min_pulse=600, max_pulse=2500)
# This is an example for the Micro servo - TowerPro SG-92R: https://www.adafruit.com/product/169
# servo7 = servo.Servo(pca.channels[7], min_pulse=500, max_pulse=2400)

# The pulse range is 750 - 2250 by default. This range typically gives 135 degrees of
# range, but the default is to use 180 degrees. You can specify the expected range if you wish:
# servo7 = servo.Servo(pca.channels[7], actuation_range=135)
servo7 = servo.Servo(pca.channels[7])

# We sleep in the loops to give the servo time to move into position.
for i in range(180):
servo7.angle = i
time.sleep(0.03)
for i in range(180):
servo7.angle = 180 - i
time.sleep(0.03)

# You can also specify the movement fractionally.
fraction = 0.0
while fraction < 1.0:
servo7.fraction = fraction
fraction += 0.01
time.sleep(0.03)

pca.deinit()
import time
from board import SCL, SDA
import busio
# Import the PCA9685 module. Available in the bundle and here:
# https://github.com/adafruit/Adafruit_CircuitPython_PCA9685
from adafruit_pca9685 import PCA9685
from adafruit_motor import servo
i2c = busio.I2C(SCL, SDA)
# Create a simple PCA9685 class instance.
pca = PCA9685(i2c)
# You can optionally provide a finer tuned reference clock speed to improve the accuracy of the
# timing pulses. This calibration will be specific to each board and its environment. See the
# calibration.py example in the PCA9685 driver.
# pca = PCA9685(i2c, reference_clock_speed=25630710)
pca.frequency = 50
# To get the full range of the servo you will likely need to adjust the min_pulse and max_pulse to
# match the stall points of the servo.
# This is an example for the Sub-micro servo: https://www.adafruit.com/product/2201
# servo7 = servo.Servo(pca.channels[7], min_pulse=580, max_pulse=2350)
# This is an example for the Micro Servo - High Powered, High Torque Metal Gear:
# https://www.adafruit.com/product/2307
# servo7 = servo.Servo(pca.channels[7], min_pulse=500, max_pulse=2600)
# This is an example for the Standard servo - TowerPro SG-5010 - 5010:
# https://www.adafruit.com/product/155
# servo7 = servo.Servo(pca.channels[7], min_pulse=400, max_pulse=2400)
# This is an example for the Analog Feedback Servo: https://www.adafruit.com/product/1404
# servo7 = servo.Servo(pca.channels[7], min_pulse=600, max_pulse=2500)
# This is an example for the Micro servo - TowerPro SG-92R: https://www.adafruit.com/product/169
# servo7 = servo.Servo(pca.channels[7], min_pulse=500, max_pulse=2400)
# The pulse range is 750 - 2250 by default. This range typically gives 135 degrees of
# range, but the default is to use 180 degrees. You can specify the expected range if you wish:
# servo7 = servo.Servo(pca.channels[7], actuation_range=135)
servo7 = servo.Servo(pca.channels[7])
# We sleep in the loops to give the servo time to move into position.
for i in range(180):
servo7.angle = i
time.sleep(0.03)
for i in range(180):
servo7.angle = 180 - i
time.sleep(0.03)
# You can also specify the movement fractionally.
fraction = 0.0
while fraction < 1.0:
servo7.fraction = fraction
fraction += 0.01
time.sleep(0.03)
pca.deinit()
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