arduino_2_4_filtering.zip

messy code that does data collection, both of raw, and filtered mm distance based on voltage delta limits.

Zip Archive - 15.70 kB - 02/04/2021 at 11:16

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filteredeffect.xlsx

filtered and unfiltered just by voltage delta.

sheet - 257.13 kB - 02/04/2021 at 11:13

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reduceNoise1.xlsx

shows noise reduction by voltage delta and laser power output. reduced noise variation by ~2.2 (max-min)=31.8

sheet - 617.20 kB - 02/02/2021 at 19:21

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reduceNoise2.xlsx

noise reduction using inversion of high frequency in signal. reduced noise variation by ~20 (max-min)=13.8

sheet - 541.32 kB - 02/02/2021 at 19:21

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mm_volt_laserPower.xlsx

noise reduction, however it is from static data. noise phase and offset as well as noise gain change with actual data. but the noise is a few things. laser power fluctuation (but usually in spec) and voltage spikes.

sheet - 108.99 kB - 01/30/2021 at 10:27

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sat23.csv

count 30samples a second, mm distance, temp in c, vofchip,laser output power

Comma-Separated Values - 619.92 kB - 01/23/2021 at 22:38

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raw_measurment2_21_21.csv

raw measurement at ~30-50 times a second. raw voltage data, and raw range data in mm, temp is filtered but changes so slowly. numbers count is Na because it is not in seconds but is raw values.

Comma-Separated Values - 577.91 kB - 01/22/2021 at 08:33

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distance_temp_count_adc.txt

raw file showing 1 hour of samples with distance, temp, count in seconds, and vcc of sensor chip. these are filtered results

plain - 197.25 kB - 01/21/2021 at 02:35

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time_temp_distance.csv

cvs file time in seconds, temp in c, and distance in mm over 528 minutes in
1 second increments of sensor with a drop overtime of about 4deg c
and a change in measurement of about 0.7mm

Comma-Separated Values - 689.56 kB - 01/20/2021 at 21:45

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filter_sensorWtemp1s.zip

arduino code i used for temp measurement. the gnd lead of sensor was placed on an i/o pin to gnd so calc was slightly different as voltage is between 0.6 ad 1v on pin, but temp variation is consistent with actual temp of room. you will see this in the code. my sensor was about 15k, and temp was consistent with temp measured by thermometer. what is most critical is the temp and temp variation. you can use your own thermister and code to check and verify. settings need to be changed in code to your sensor. the example i used was from https://playground.arduino.cc/ComponentLib/Thermistor2/

Zip Archive - 14.66 kB - 01/20/2021 at 20:25

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distaneandtemp.txt

31725 seconds or 528 min, or 8.8hrs ov overnight temp and measurement data together as temp dropped from 1am to 10am

plain - 1.59 MB - 01/20/2021 at 20:21

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room_temp_hour_no_heat_9pm.txt

this is temp of my room for an hour at night, looking at temp fluctuations with door open, and no air movement in the room . just looking at over time fluctuations within an hour

plain - 119.88 kB - 01/20/2021 at 20:19

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with_200wheaternearby1hr.txt

this is sensor with a 200w heater nearby and on. i just wanted to see how much temp changes from a nearby small heater. not much.

plain - 123.20 kB - 01/20/2021 at 20:18

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