Introduction
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Current scientific methods use traditional data acquisition devices (DAD) for doing experimental data measurements and collection. This means collected data many times is stored in a paper format, and most of the time in a conventional CSV Excel data file. This is prone to errors and even worst, forgery of experimental data. To this date, there are no DADs able to automate experimental data acquisition in a scientific experiment, making it transparent and trustworthy beyond common critiques found nowadays.
This scientific research presents an innovative experimental setup and procedure acquisition of experimental data and management in real-time compatible with any open environment. The proposed prototype for a smart data acquisition device (SDAD) has the minimum hardware characteristics to handle data measurements collected from sensors locally connected to it, store it on a local database file, and finally connect and synchronize data measurements collected with a data repository hosted remotely on a dataverse. The main objective of this research work is to increase data integrity and trustworthiness among SDAQ devices connected and on all experimental data collected during an experiment or research project.
Early concept versions of the proposed SDAD were simple component assemblies of ready-to-buy and install modules for the Arduino Nano series. During 2 years was designed and prototyped new hardware electronics using the Tensilica XTensa LX7 32bit MCU. The design and initial concept went through many changes and revisions before it matured into the current state of development. March 2023 printed circuit board (PCB) revision, utilizes a Tensilica XTensa LX7 32bit MCU with the capability to store locally up to 4GB of data. It is capable of real-time experimental data measurements, and storage with a blockchain-like unique FingerPrint ID. Is also capable at the same time to do real-time dataset uploads to a data repository, in particular to a dataverse.
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