CHAPTER
TWO
ABOUT ROBOT HAT
Robot HAT is a multifunctional expansion board that allows Raspberry Pi to be quickly turned into a robot. An MCU
is on board to extend the PWM output and ADC input for the Raspberry Pi, as well as a motor driver chip, Bluetooth
module, I2S audio module and mono speaker. As well as the GPIOs that lead out of the Raspberry Pi itself.
It also comes with a Speaker, which can be used to play background music, sound effects and implement TTS functions
to make your project more interesting.
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