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please put the microphone away from the amplifier to prevent recording noise due to amplifier
Please review the datasheet for conversions to ppm then Wikipedia
This version uses a surface mount motor which is less likely to be damaged during use
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The output of the sensor is an analog voltage proportional to the measured dust density
SparkFun Standoff - Nylon (4-40; 3/8"; 10 pack) Spacers/Standoffs Plug & Play Video Games please put the microphone awayThese nylon standoffs are 3 8" long and tapped for a 4 40 screw. These are great for mounting your board in an enclosure, or just getting it up off the table. The black nylon will give your project a very sessy look. Sold in packs of 10. Check below for matching screws.
