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wiki:v2:my_pantilt_is_acting_sort_of_crazy [2018/05/18 22:46] pixycam |
wiki:v2:my_pantilt_is_acting_sort_of_crazy [2018/08/22 22:17] jfrench updated support email |
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===== 1. How are you powering Pixy? ===== | ===== 1. How are you powering Pixy? ===== | ||
- | If you are powering Pixy through the Arduino cable instead of through the USB cable, or the [[wiki:v2:Powering_Pixy|power connector]], the servos are likely not going to get enough power. This is because the Arduino typically can't source enough current for the servos, and the Arduino cable tends to drop significant voltage. There are more details [[wiki:v2:Powering_Pixy|here]] on different powering methods. | + | If you are powering Pixy through the Arduino cable instead of through the USB cable, or the [[wiki:v2:Powering_Pixy|I/O connector]], the servos are likely not going to get enough power. This is because the Arduino typically can't source enough current for the servos, and the Arduino cable tends to drop significant voltage. There are more details [[wiki:v2:Powering_Pixy|here]] on different powering methods. |
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- | This should exercise the pan servo first then the tilt servo. The movement should be smooth and rapid. If not, make a note of which servo is acting strange, and send us an email describing your experience (<support@charmedlabs.com>). | + | The first two commands should move pan servo back and forth. The last two commands should move the tilt servo up and down. Are the servos reversed? If so, reverse the servo connectors. Is the movement smooth and rapid? If not, try removing one of the servos and measuring the voltage at the exposed servo connector with a voltmeter while exerting torque on the other servo. Refer to the picture below for the servo connector pin-outs. |
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+ | The measured voltage should be 4.9V or above with the other servo under load. If the voltage is less than 4.9V, investigate your power source's voltage and its ability to deliver at least 500mA. | ||
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+ | Regardless, send us an email describing your experience (<support@pixycam.com>). | ||