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I am not a hardware guy so pardon my ignorance, but my question is , if you already have a full general purpose computer running linux on a board, why do you ne

I am not a hardware guy so pardon my ignorance, but my question is , if you already have a full general purpose computer running linux on a board, why do you need Arduino on that board also ? can't you just connect sensors directly to the linux box ?

wiredfool 13y ago
The arduino has a nice set of shields for interfacing with sensors and other hardware. Its gpio outputs also tend to be more convenient than the GPIO from the PI.