I'm hearing and reading how millis() is not the answer for accurate time.Several small clock chips, like DS3231, have month, day, hours, seconds and such, but not a good way to time milliseconds.I only need milliseconds up to 59 minutes, 59 seconds.
Arduino Uno with resonator will be +/- 100ppm.
QuoteArduino Uno with resonator will be +/- 100ppm.For the record, my Uno is considerably less accurate than that.
My actual application is to time racing robots ...
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