FGPGA boards are a game-changer in digital technology. Unlike processors designed for fixed tasks, FGPGA boards can be reprogrammed post-manufactured to execute virtually any digital computing task, making them an incredibly versatile technological tool.
From digital signal processing to cryptography, artificial intelligence, machine learning, and even software-defined radio, FGPGA boards find their applications in many advanced technological fields. These flexible boards also play a key role in creating high-speed networking equipment, leading-edge automotive systems, and advanced medical imaging equipment.
For mobile data acquisition, the alcohol, temperature, UV, and NH3 were detected by monitoring the resistance changes under specific voltages with a source meter module, consisting of a dc/ac generator, an output buffer, and a multiplexer. Humidity was detected by capacitance measurement with the source meter module. The differential pulse voltammetry module was used for UA and CAF monitoring, and chronoamperometry was used for glucose monitoring. Electrophysiological signals were recorded by the physiological potentiometric module consisting of the programmable gain amplifier and digital filter. The signals were smoothed by a low-pass filter and converted by the analog-to-digital converter for further processing in the digital signal processor. The processed data were transmitted to the smartphone wirelessly by Bluetooth Low Energy. The mobile data acquisition circuit was connected to LSM-based wearable devices using the flexible flat cable (Premo-Flex, Molex) and the Z-axis conductive tape (Adafruit).
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