Sensortag values jitter jumpy jumping accelerameter

Discuss mobile apps for Texas Instruments products.
Barrett
Posts: 8
Joined: 19:28, 23 Sep 2015

Sensortag values jitter jumpy jumping accelerameter

Postby Barrett » 17:15, 15 Oct 2015

The values run up and down even when the Sensortag is at rest. I tried averaging the last 10 readings and I tried changing the period to /1 and /100 instead of /10 ( tisensortag-ble.js line 767).

Is there a way to dampen the readings? Is the reading accurate?

How does TI make the values not jittery in the Sensortag App? Where can I find the source code for the App?

Fredrik
Site Admin
Posts: 196
Joined: 15:00, 18 Nov 2013

Re: Sensortag values jitter jumpy jumping accelerameter

Postby Fredrik » 08:53, 16 Oct 2015

There's always some jitter in analog sensors, but it shouldn't cause a lot of trouble...

If I were you, I'd try out our TI SensorTag Demo. It should illustrate, pretty well, how much/little jitter you have to deal with.


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