The exercise in this chapter is virtually one of the simplest forms of computer control in that an LED device is powered on and off by clicking a button icon on the main system display screen or by running several lines of computer code. The graphical user interface (GUI) is the display screen that contains the icons of buttons, sliding controls, meters, digital numeric displays, graphical strip chart recorder displays, and other symbols, both active/passive and text based that can be used to monitor ...
© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2021
R. J. SmytheArduino in Sciencehttps://doi.org/10.1007/978-1-4842-6778-3_11. Button Control of LED Illumination
Richard J. Smythe1
(1)
Wainfleet, ON, Canada
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