Questions tagged [reliability]

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How reliable is Arduino Uno Serial, via USB (ATmega16U2), CRC needed?

I have a question about the reliability of Serial communication, i.e. in particular if I need to implement CRC/checksum/ECC because of bit transmission errors? I I however think there is no general ...
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SD.begin() fails second time

When I remove the SD card and try to open a file, I can detect the error properly. But how do I detect that the card has been replaced after an error? My first thought was to call SD.begin() again ...
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How do I figure out if my board is approaching end of life?

I have a uno that I have been using for 3 years now. I will be using it again in a rather critical project in which failure on the part of the board could be rather expensive and dangerous. So, I ...