Fast data acquisition with arduino

  • How fast is an Arduino?

    The Arduino clock, an integral part of the Arduino microcontroller, “ticks” sixteen million times a second.
    You can think of it as the metronome that orchestrates all the parts of the microcontroller and makes sure everything works in sync..

  • What is the sample rate of Arduino data logger?

    "It takes about 100 microseconds (0.0001 s) to read an analog input, so the maximum reading rate is about 10,000 times a second." The Arduino reads 0-5volts.
    That means the sampling rate for an Arduino is 10 kHz..

Dec 6, 2010One more potential hitch-in-the-get-along: My understanding is that, from the sensor's perspective, the ADC is like a capacitor. The sensor has  High speed Data logging project - Arduino ForumFast data logging on SD Card - Arduino Forumhigh speed data logging - Project Guidance - Arduino ForumIncrease SD data logging speed - Storage - Arduino ForumMore results from forum.arduino.cc
Note that the acquisition rate is only 100 Msamples per second (or one sample every 10 ns), so there is a bit of interpolation used to get the 16 ns rise time. This is plenty fast for most analog applications.

How much does an Arduino cost?

It also has a 16-channel logic analyzer.
The user interface is incredibly easy to use and incredibly versatile, and at $279, it’s a steal.
The 10 MHz analog bandwidth is a perfect range for the Arduino.
With this receiver bandwidth, we can see rise times on the order of 0.35/10 MHz = 35 nanoseconds.

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What is a high-speed multi-channel data acquisition system?

Commercially available high-speed multi-channel data acquisition systems can be expensive to purchase and are generally difficult to tailor to specific applications.
Arduino is an open-source prototyping platform that facilitates the design and build of computer controlled systems for a wide variety of uses.

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What is the maximum sampling frequency of an Arduino?

The maximum sampling frequency of the Arduino can be much faster than 9.6 kHz, but printing or sending the data elsewhere is very slow.
Collect a bunch of samples in an array first, then print the results or send data to the SD card after you've analyzed them.
Arduino Audio Input:

  1. Send sound into your Arduino

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