How to control many servos with Arduino
In this video we are going to see the pca9685 which is a 16 channel 12 bit pwm driver to drive servos or leds .
it is I2C : this means that you can control it using only two pins on the arduino .
From where to buy it for less than 2$ :
http://s.click.aliexpress.com/e/EIub6qR
It is great and simple solution if you want to build a robot or a hexapod with lots and lots of servos .
you can connect many of them if you set a different address to each one that you connect .
you can set the address .
The link to the product on adafruit : http://www.adafruit.com/products/815
download the lib:
https://learn.adafruit.com/16-channel...
the lib:
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