how to send a signal through a usb to a hardware device and make a LED glow
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how to send a signal through a usb port to a hardware device and make a LED glow
1 comentario
Daniel Shub
el 30 de Abr. de 2012
How is the LED connected to the usb port?
Respuestas (1)
Walter Roberson
el 30 de Abr. de 2012
0 votos
USB is by definition a serial bus; any information sent over the bus is only present on the bus for a small fraction of a second. You thus cannot send and hold a signal via USB. Instead you would have to send data that the destination hardware interpreted as indicating the appropriate LED state.
There are suitable USB-compatible devices available: see http://www.mathworks.com/matlabcentral/answers/18366-how-to-send-a-signal-to-usb
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