A similar number of converters (ADC) and a similar number (DAC) could be an other specialized functions. The ADC is used to translate the analog voltage signal into digital form is proportional to the magnitude of the voltage, and is used to handle and control. In contrast, the DAC can be used to export a similar device directly.Some microcontrollers comes voltage regulator. It's quite convenient, allowing the microcontroller is supported by a wide range of voltage that does not require you to provide the correct voltage. This also allows for the selection of electrical sensors and accessories comes more easily.the microcontroller will need two legs to control the direction, and two legs PWM to control speed (this will be explained in more detail in Lesson 5). The robot will also transmit and receive data, so it will need to support the UART Protocol (in this case). I decided to use the microcontroller pololu
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