The Raspberry Pi is an awesome single-board computer, however it's not that good at providing precise PWM output. You may have tried to control a servo using a Pi, but were limited by the number of PWM outputs and jittering movement.
For consistent and accurate control of servos, Waveshare has created this useful Servo Driver HAT for all your Raspberry Pi servo control needs!
It's exactly the same as our angled version apart from the servo pin layout - so choose whichever is best for your project!
This HAT is only compatible with analogue servos, digital servos will not work (some might, but we can't guarantee it!).
Features
Standard Raspberry Pi 40-pin GPIO extension header
I2C controlled using only 2 pins
Up to 16-Channel servo/PWM outputs, 12-bit resolution for each channel (4096 scales)
Integrates a 5V regulator, up to 3A output current, and can be powered via a battery through the VIN terminal
Standard servo interface supporting common analogue servos such as the SG91
Reserved I2C control pins, allows you to work with other control boards
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