SunFounder PCA9685 16-Channel Servo Driver

by SunFounder

★ Best for: Raspberry Pi arms

PCA9685 driver from a known education brand — works with Arduino and Raspberry Pi.

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Why we recommend it

Functionally the same proven PCA9685 design from SunFounder, a brand many builders already know from their Raspberry Pi and Arduino kits. Same 16 channels, same 12-bit PWM, same I²C control and separate power terminal — a safe pick if you like buying parts from a vendor with strong tutorials and Pi support. Ideal when your arm’s brain is a Raspberry Pi and you are driving the servos from Python.

At a glance

Channels	16
Resolution	12-bit PWM
Interface	I²C
Works with	Arduino, Raspberry Pi

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Guides that use this

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Raspberry Pi Robotic Arm: Add Vision, AI and a Web Interface

Build a Raspberry Pi robotic arm — when to choose a Pi over Arduino, controlling servos with a PCA9685, adding camera vision, and driving the arm from a web browser with Python.

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Code & electronics