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. 2022 May 19;9(5):218. doi: 10.3390/bioengineering9050218

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© 2022 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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The flowchart of the GUI data acquisition from the Microcontroller: After a serial connection is set up between the GUI and the microcontroller, the user can input all the settings shown in Figure 12a. The GUI generates three commands based on the user settings and sends them to the microcontroller. Then, the serial port is checked again before establishing the measurement command on the serial port. Next, the data is received from the chip and read from the microcontroller’s SPI port buffer.