Adafruit 16 channel servo hat pwm for raspberry pi a b or 2 adafruit 2327 this hat adds the capability to control up to 16 servos as well as providing 12 bit pwm of up to 1 6khz the module has the features and performance to produce the very specific and repetitive timing pulses required to precisely set servos while reducing the processing load of the raspberry pi for use with raspberry pi model a b or pi 2 can be used with the model a or b with a tall 2 x 13 header instead of the i