Abstract
We have seen how 1 bit (as digital value) can be input to or output from the microcontroller in Chap. 4. The microcontroller should also process analog values (whether being electrical or other type) for some applications. Therefore, we will first explain what we should understand from analog and digital concepts in this chapter. Afterward, we will focus on the analog to digital conversion (ADC) operation in embedded systems. We will also handle these operations in the STM32F4 microcontroller via practical examples. Next, we will cover digital to analog conversion (DAC) both in general terms and specific to the STM32F4 microcontroller. As in the ADC case, we will provide usage examples for the DAC module. Therefore, the reader will be able to process an analog value via digital microcontroller. As the end of the chapter application, we will add ADC and DAC operations to the robot vacuum cleaner developed throughout the book.
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Ünsalan, C., Yücel, M.E., Gürhan, H.D.: Digital Signal Processing Using Arm Cortex-M based Microcontrollers: Theory and Practice. Arm Education Media, Cambridge (2018)
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Ünsalan, C., Gürhan, H.D., Yücel, M.E. (2022). Conversion Between Analog and Digital Values. In: Embedded System Design with ARM Cortex-M Microcontrollers. Springer, Cham. https://doi.org/10.1007/978-3-030-88439-0_7
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DOI: https://doi.org/10.1007/978-3-030-88439-0_7
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