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A flexible microcontroller-based data acquisition device.

Darko Hercog¹, Bojan Gergič²

¹Institute of Automation, Faculty of Electrical Engineering and Computer Science, University of Maribor, Smetanova ulica 17, Maribor 2000, Slovenia. darko.hercog@um.si.

Sensors (Basel, Switzerland)

|June 4, 2014

Summary

This summary is machine-generated.

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A low-cost, configurable microcontroller data acquisition device (DAQ) offers flexible I/O and USB HID compatibility, eliminating driver needs. This enables easy signal acquisition and generation for various applications.

Area of Science:

Embedded Systems Engineering
Instrumentation and Measurement
Computer Engineering

Background:

Traditional data acquisition systems can be expensive and require complex driver installations.
There is a need for flexible, low-cost hardware solutions for signal acquisition and generation.
Microcontroller-based solutions offer potential for customizability and reduced cost.

Purpose of the Study:

To present a cost-effective, microcontroller-based data acquisition (DAQ) device.
To develop a flexible and easily configurable DAQ system for diverse applications.
To ensure native operating system compatibility and eliminate the need for custom drivers.

Main Methods:

Development of a configurable microcontroller-based device featuring a 12-bit analogue-to-digital converter (ADC) and USB transceiver.

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Implementation of firmware enabling analogue/digital signal acquisition/generation and PC data transfer via USB.

Design as a USB Human Interface Device (HID) for native OS support and development of a configuration utility for flexible pin assignment (analogue input, digital I/O, PWM, SPI).

Main Results:

A functional, low-cost DAQ device was successfully developed.
The device supports flexible I/O configuration without firmware modification.
Native USB HID compatibility ensures driverless operation across major operating systems.
LabVIEW drivers were created, facilitating GUI and signal processing algorithm development.

Conclusions:

The presented microcontroller-based DAQ device provides a versatile and affordable solution for data acquisition and signal generation.
Its configurable nature and driverless USB HID interface significantly simplify integration and use in various research and development settings.
The availability of LabVIEW drivers further enhances its utility for developing custom applications and analysis tools.