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Topic: Burning Code in a DIY Arduino (Read 2 times) previous topic - next topic


So, is that means it is better not to connect any input/output device at the MOSI, MISO and SCK pins ?

You can safely use them for push buttons and similar inputs that don't mind being driven by the programmer, and for non-critical outputs such as the Data and RS inputs of a text-mode LCD display (the LCD ignores what you put on Data and RS until you pulse EN).
Formal verification of safety-critical software, software development, and electronic design and prototyping. See http://www.eschertech.com. Please do not ask for unpaid help via PM, use the forum.

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