Control 16 servos with Raspberry Pi + PCA9685 Driver

Hmmm, I'm not sure what the problem is, but the battery I used was a 5V not a 9V, maybe that's the problem?, also I recommend you to check the wiring, and try with the second library.

hey hii did you manage to run the servo using pca and raspberry pi

Hi!, I'm glad you found the article useful, the error shown above has nothing to do with the adafruit library or hardware, the problem it's clear in the last line:

zeroDivisionError: float division by zero

that means that the code it's performing a division by zero which is not possible.

Have you changed the simplest.py file? in your code, I'm seeing lines that are not found in the original one.

Edit: I've checked the library and it says that it's' deprecated, maybe that has to do with the problem, either way, I recommend you skip that test and work with the second library I showed in the post, it's simpler and works better.

Hope this helps, let me know how you do.

Gary Vladimir Núñez López

Hi! Thanks for your answer. I just repeated the tutorial with the second library (--> Adafruit_CircuitPython_ServoKit).

The same kind of error:

Traceback (most recent call last):
  File "/home/pi/rover/Main.py", line 35, in <module>
    test.test()
  File "/home/pi/rover/Controllers/ServoController.py", line 12, in test
    kit.servo[7].angle = 175
  File "/home/pi/.local/lib/python3.7/site-packages/adafruit_servokit.py", line 147, in __getitem__
    servo = adafruit_motor.servo.Servo(self.kit._pca.channels[servo_channel])
  File "/usr/local/lib/python3.7/dist-packages/adafruit_motor/servo.py", line 89, in __init__
    super().__init__(pwm_out, min_pulse=min_pulse, max_pulse=max_pulse)
  File "/usr/local/lib/python3.7/dist-packages/adafruit_motor/servo.py", line 29, in __init__
    self.set_pulse_width_range(min_pulse, max_pulse)
  File "/usr/local/lib/python3.7/dist-packages/adafruit_motor/servo.py", line 33, in set_pulse_width_range
    self._min_duty = int((min_pulse * self._pwm_out.frequency) / 1000000 * 0xFFFF)
  File "/home/pi/.local/lib/python3.7/site-packages/adafruit_pca9685.py", line 56, in frequency
    return self._pca.frequency
  File "/home/pi/.local/lib/python3.7/site-packages/adafruit_pca9685.py", line 134, in frequency
    return self.reference_clock_speed / 4096 / self.prescale_reg
ZeroDivisionError: float division by zero

I expect you have nothing different running than the stock Raspian? What version of python do you use? Python3.10? I have Python3.7 on the Raspberry Pi, and I do not know how to upgrade it to 3.10...

Your help would be VERY appreciated!