Timeline for Sampling rate of analog read
Current License: CC BY-SA 3.0
5 events
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Jul 13, 2016 at 20:48 | history | edited | JRobert | CC BY-SA 3.0 |
updated to answer OP's question
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Jul 13, 2016 at 20:26 | comment | added | Edgar Bonet |
A single call to analogRead() typically takes anywhere between 106.4 and 114.5 µs depending on the phase of the ADC clock prescaler at the time of the call. It can take up to 120.4 µs if it gets interrupted by the timer 0 overflow ISR.
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Jul 13, 2016 at 18:18 | vote | accept | Dzung Nguyen | ||
Jul 13, 2016 at 18:18 | comment | added | Dzung Nguyen | Thanks! So I could just use 50ms + 15.6 for the sampling rate, ignoring analogRead? | |
Jul 13, 2016 at 17:35 | history | answered | JRobert | CC BY-SA 3.0 |