Such tasks, in most cases, require millisecond-to-millisecond accuracy and thus require particular attention, since modern operating systems (OS) are not designed to operate in real-time and with such accuracy (Canto, Bufalari, & D’Ausilio, 2011 Chambers & Brown, 2003 MacInnes & Taylor, 2001 Plant & Turner, 2009). The goal is typically to record events (behavioral or physiological) and generate signals (i.e., to control or synchronize different machines). Accuracy tests show that Arduino boards may be an inexpensive tool for many psychological and neurophysiological labs.Įvery lab running some kind of behavioral research makes use of several types of equipment and software for experimental control. Furthermore, a large community has arisen around the Arduino idea and offers many hardware add-ons and hundreds of free scripts for different projects. One of the strengths of Arduinos is the possibility they afford to load the experimental script on the board’s memory and let it run without interfacing with computers or external software, thus granting complete independence, portability, and accuracy. In the present article, I present some accuracy tests on a low-cost and open-source I/O board (Arduino family) that may be useful in many lab environments. Dedicated hardware is usually very expensive and requires additional software to control its behavior. These signals are often generated or recorded via computer software and/or external dedicated hardware. Typical experiments in psychological and neurophysiological settings often require the accurate control of multiple input and output signals.
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