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The frequency of Servo SG90 is 50Hz! #43

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lqh929289158 opened this issue Jul 13, 2019 · 0 comments
Open

The frequency of Servo SG90 is 50Hz! #43

lqh929289158 opened this issue Jul 13, 2019 · 0 comments

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@lqh929289158
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The SG90 Data Sheet shows that the work frequency is 50 Hz. So the frequency of PWM should be set to 50Hz.
import PCA9685 as servo
pwm = servo.PWM()
pwm.frequency = 50
pwm.write(0, 0, 509) # Left 90 degree
pwm.write(0, 0, 300) # 0 degree(middle)
pwm.write(0, 0, 109) # Right 90 degree
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