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coffeye / xpod

Hannigan lab's latest environmental monitoring platform
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Illegible Plantower Data #4

Open pesm6540 opened 11 months ago

pesm6540 commented 11 months ago

The plantower is producing incredibly noisy PM data. When we take the median over intervals, we don't see problems, but the raw data is unintelligible. The YPOD did not have this issue, see here for the YPOD firmware https://github.com/pesm6540/ypod

malolasimman commented 11 months ago

readPMSdata() function in ypod and Adafruit_PM25AQI read() function in xpod, implements the same method to get the Planttower data.

malolasimman commented 11 months ago

Need to verify whether the ypod and xpod PMS hardware are same.

coffeye commented 11 months ago

Percy, can you comment on this? We use the same sensor in the YPod and XPod but not sure about other factors.

On Tue, Nov 7, 2023 at 1:43 PM Malola Simman Srinivasan Kannan < @.***> wrote:

Need to verify whether the ypod and xpod PMS hardware are same.

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pesm6540 commented 11 months ago

Same sensor: these are the differences:

  1. Library instead of hard-coded into firmware (Simman checked this and verified that it's the same)
  2. YPOD uses an add-on configuration whereas the XPOD is integrated into the PCB
  3. Additionally, it is very possible that the XPOD will experience a higher amount of noise than the YPOD due to the number of traces and inputs