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Servo Control

Mon 02 January 2017

RC Servo


There are many ways to control an RC servo and both the Arduino and the RPi have software libraries to do that. However, that consumes a small amount of overhead (processor power) and you may not want that.

Adafruit 16-Channel 12-bit PWM/Servo Driver - I2C interface PCA9685 is a good hardware solution that is controlled via i2c. This is nice, because you can hook up a bunch of these and control more servos than you could ever want! The Adafruit tutorial does a great job of showing how to hook this up and the python library is here in their github account.

I used it to make a simple 4 legged (quadruped) robot.

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