Question about servo drivers, which one to choose?

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Vitaly2016-02-04 11:32:34

Arduino

Vitaly, 2016-02-04 11:32:34

There is Arduino Nano and Servo SG90 - 12pcs. We need to finish this thing together. The question is, is it possible to connect servos directly to arduino or is it necessary through drivers? If drivers are needed, tell me which budget driver will pull 12 servos. For example "PCA9685 16-channel" will do? 16 channels means you can connect up to 16 servos?

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Alexander Sazonov, 2016-02-04
@Neolith

you can connect directly ( img ), it will work., but for such a number of motors, it is better to buy a driver so that at least not occupy all the ports on the Nano, and also provide voltage wiring.
Yes, judging by the pictures PCA9685 16-channel is what you need img .

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Vitaly, 2016-02-04
@Neolith

Actually I still have such a fee:
www.aliexpress.com/item/NANO-IO-Expansion-sensor -... , searchweb201644_5_505_506_503_504_301_502_10001_10002_10016_10017_10010_10005_10011_10006_10003_10004_401_10009_10008, searchweb201560_1, searchweb1451318400_-1, searchweb1451318411_6449 & btsid = 5f8248c7-3046-4a24-a396 -ce4d87bf7838
What will the difference (except for busy pins), connect servos to it or to PCA9685 16-channel?