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SparkFun will be closing early at 3:30 Friday 5/27 and remain closed Monday for Memorial Day (5/30). Orders placed after 2pm MT on Friday (5/27) will process and ship out on Tuesday (5/31).

Member #345123

Member Since: August 11, 2012

Country: United States

  • An interesting project to do with the “broken” ie blow only sensors is to use a piezo speaker and make an altitude sensor. the principle here is to drive the piezo with a constant 3V p-p at around 2kHz then space the module a distance of a few cm. this should reliably detect altitude if also encased in a plastic tube with dessicant to keep out moisture.

  • Can someone send me some broken ones for analysis please? i think i know what went wrong. my opinion is that during soldering the fumes got into the tiny hole and gummed up the works. if so then this explains a lot…

    i am on 4hv under “conundrum” :-)

  • Wonder if this would be suitable for a bat listener? the small size of the MEMS should make it ideal methinks.

    -A

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