51 lines
1.1 KiB
Python
51 lines
1.1 KiB
Python
import time
|
|
import math
|
|
from servo import Servo, servo2040
|
|
|
|
"""
|
|
Demonstrates how to create a Servo object and control it.
|
|
"""
|
|
|
|
# Create a servo on pin 0
|
|
s = Servo(servo2040.SERVO_1)
|
|
|
|
# Enable the servo (this puts it at the middle)
|
|
s.enable()
|
|
time.sleep(2)
|
|
|
|
# Go to min
|
|
s.to_min()
|
|
time.sleep(2)
|
|
|
|
# Go to max
|
|
s.to_max()
|
|
time.sleep(2)
|
|
|
|
# Go back to mid
|
|
s.to_mid()
|
|
time.sleep(2)
|
|
|
|
|
|
SWEEPS = 3 # How many sweeps of the servo to perform
|
|
STEPS = 10 # The number of discrete sweep steps
|
|
STEPS_INTERVAL = 0.5 # The time in seconds between each step of the sequence
|
|
SWEEP_EXTENT = 90.0 # How far from zero to move the servo when sweeping
|
|
|
|
# Do a sine sweep
|
|
for j in range(SWEEPS):
|
|
for i in range(360):
|
|
s.value(math.sin(math.radians(i)) * SWEEP_EXTENT)
|
|
time.sleep(0.02)
|
|
|
|
# Do a stepped sweep
|
|
for j in range(SWEEPS):
|
|
for i in range(0, STEPS):
|
|
s.to_percent(i, 0, STEPS, 0.0 - SWEEP_EXTENT, SWEEP_EXTENT)
|
|
time.sleep(STEPS_INTERVAL)
|
|
for i in range(0, STEPS):
|
|
s.to_percent(i, STEPS, 0, 0.0 - SWEEP_EXTENT, SWEEP_EXTENT)
|
|
time.sleep(STEPS_INTERVAL)
|
|
|
|
# Disable the servo
|
|
s.disable()
|