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LPS25HB barometer - is it temperature compensated?

caferacer
Associate II

‎2024-11-04 2:40 AM - edited ‎2024-11-04 2:43 AM

Hi. I have two LPS25HB on PCB board. After I cooling them with room air, they show signifacant drop in pressure readings. Do they have full temperature compensation? Are compensation registers protected from accidental erasure?

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4 REPLIES 4
Andrew Neil
Guru

‎2024-11-04 3:04 AM

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A complex system that works is invariably found to have evolved from a simple system that worked.
A complex system designed from scratch never works and cannot be patched up to make it work.
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caferacer
Associate II
In response to Andrew Neil

‎2024-11-04 4:13 AM - edited ‎2024-11-04 4:13 AM

I thought so too. Then what is this drops on the pressure graph?

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Andrew Neil
Guru
In response to caferacer

‎2024-11-04 4:46 AM

If you're blowing on them, that will affect the pressure ...

A complex system that works is invariably found to have evolved from a simple system that worked.
A complex system designed from scratch never works and cannot be patched up to make it work.
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caferacer
Associate II
In response to Andrew Neil

‎2024-11-04 5:33 AM

I only blow on them for about 10 seconds. After this, they restore pressure within 400 seconds.

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