ESP-01S Publishing Particulate Matter Sensor
Bukana ea Mosebelisi

ESP-01S Publishing Particulate Matter Sensor

Ho Phatlalatsa Boitsebiso ba Particulate Matter Sensor ho Adafruit IO Ka Moetsi Pi Pico le ESP-01S
ka kevinjwalters
Sengoliloeng sena se bonts'a mokhoa oa ho phatlalatsa data ho tsoa ho li-sensor tse tharo tsa theko e tlase ho ea ho ts'ebeletso ea Adafruit IO IoT ho sebelisa Cytron Maker Pi Pico e tsamaisang lenaneo la CircuitPython le fetisang liphetho tsa li-sensor ka Wi-Fi ka module ea ESP-01S e tsamaisang AT rmware.
WHO e supa karolo ea PM2.5 e le e 'ngoe ea likotsi tse kholo ka ho fetisisa tikolohong ea bophelo bo botle ka 99% ea baahi ba lefatše ba lulang libakeng tseo litekanyetso tsa tataiso ea boleng ba moea ba WHO li sa kang tsa fihlelleha ka 2019. E hakanya hore batho ba limilione tse 4.2 ba shoele pele ho nako ka 2016.
Li-sensor tse tharo tsa particulate matter tse bontšitsoeng sehloohong sena ke:

• Plantower PMS5003 e sebelisa khokahano ea serial;
• Sensirion SPS30 e sebelisa i2c;
• Omron B5W LD0101 e nang le liphello tsa pulse.

Li-sensor tsena tsa optical li tšoana le tse fumanoang mofuteng o le mong oa alamo ea mosi oa malapeng empa li shoa boitekong ba tsona ba ho bala likaroloana tsa boholo bo fapaneng ho e-na le ho ba le alamo feela nakong ea mahloriso.
PMS5003 e khubelu ea laser-based ke sensor e sebelisoang hangata ea ho itlosa bolutu 'me e ka fumanoa ho sensor ea boleng ba moea ea PurpleAir PA-II. SPS30 ke sensor ea morao-rao e sebelisang molao-motheo o tšoanang 'me e ka fumanoa ho Clarity Node-S air qualitysensor. The infrared LED-based B5W LD0101 sensor e na le sebopeho sa khale empa e na le thuso bakeng sa bokhoni ba eona ba ho lemoha likaroloana tse kholo ho feta 2.5 microns - li-sensor tse ling tse peli ha li khone ho lekanya tsena ka botšepehi.
Adafruit IO e fana ka karolo ea mahala e nang le palo e lekanyelitsoeng ea liphepelo le li-dashboards - tsena li loketse morero ona. Lintlha tsa tier tsa mahala li bolokiloe matsatsi a 30 empa data e ka khoasolloa habonolo.
Boto ea Moetsi oa Pi Pico sengolong sena e joalo kaample Cytron o ile a romela ho 'na ka mosa hore ke hlahlobe. Tsela e le 'ngoe feela ea tlhahiso ea tlhahiso ke ho eketsoa ha likaroloana tse sa sebetseng ho fokotsa likonopo tse tharo.
Mojule oa ESP-01S o kanna oa hloka ntlafatso ea AT rmware. Ena ke ts'ebetso e batlang e rarahane, e ddly mme e ka nka nako. Cytron e rekisa module ka AT rmware e loketseng ho eona.
Sensor ea Omron B5W LD0101 ka bomalimabe e emisoa ke moetsi ka litaelo tsa ho qetela ka Hlakubele 2022.
Lisebelisoa:

• Moetsi oa Cytron Pi Pico - Digi-key | PiHut
• ESP-01S - Boto ea Cytron e tla le ATrmware e nepahetseng.
• ESP-01 USB adapter/programmer e nang le konopo ea reset - Cytron.
• Letlapa la bohobe.
• Lithapo tsa jumper tse tšehali ho isa ho tse tona, mohlomong bolelele ba 20cm (8in) bonyane.
• Plantower PMS5003 e nang le thapo le adaptara ea boardboard - Adafruit
• kapa Plantower PMS5003 + Pimoroni breadboard adaptara – Pimoroni + Pimoroni
• Sensirion SPS30 - Digi-key
  • Sparkfun SPS30 JST-ZHR cable ho lithapo tse 5 tsa banna - Digi-key
  • 2x 2.2k lihanyetsi.
• Omron B5W LD0101 - Mouse
  • Mohala oa Omron o hlalosoang e le marapo (2JCIE-HARNESS-05) - Mouser
  • 5 Pin hlooho ea banna (bakeng sa ho ikamahanya le thapo ho boardboard).
  • solder - crocodile (alligator) likotoana li ka sebetsa e le mokhoa o mong oa ho kopanya.
  • 2x 4.7k lihanyetsi.
  • 3x 10k lihanyetsi.
  • 0.1uF capacitor.
  • Matla a betri bakeng sa Omron B5W LD0101:
    • Sets'oants'o sa betri ea 4AA bakeng sa libeteri tsa NiMH tse nchafalitsoeng (khetho e ntle).
    • kapa sets'oants'o sa betri sa 3AA bakeng sa libeteri tsa alkaline.
• Sephutheloana sa motlakase sa USB se ka ba molemo haeba u batla ho baleha ka ntle hole le mohloli oa matla oa USB.

Mohato oa 1: USB Programmer bakeng sa ho ntlafatsa Flash ho ESP-01S

Mojule oa ESP-01S ha ho bonolo hore o tle le AT rmware e nepahetseng ho eona ntle le haeba e tsoa ho Cytron. Mokhoa o bonolo oa ho e nchafatsa ke ho sebelisa komporo ea Windows kapa laptop e nang le adaptara ea USB e ngolang e nolofalletsa molora mme e na le konopo ea ho seta bocha.
Ka bomalimabe adaptara e tloaelehileng haholo, e se nang lebitso e atisang ho hlalosoa e le ntho e kang "ESP-01 Programmer Adapter UART" ha e na likonopo kapa li-switches ho laola tsena. Video e kaholimo e bonts'a hore na sena se ka khutlisoa kapele joang
ka li-switches tse ling tse ntlafalitsoeng tse entsoeng ka lithapo tse peli tsa ho tlola tse tona ho ea ho tse motšehali tse khaotsoeng ka bobeli 'me tsa rekisoa holim'a lithakhisa tse ka tlas'a boto ea mohlophisi. Mokhoa o mong oa ho etsa sena o sebelisa boto ea bohobe o ka bonoa ho Hackaday:
ESPhome ho ESP-01 Windows Workflow.
https://www.youtube.com/watch?v=wXXXgaePZX8

Mohato oa 2: Ho nchafatsa Firmware ho ESP-01S U sebelisa Windows

Lenaneo la terminal joalo ka PuTTY le ka sebelisoa le ESP-01 Programmer ho lekola mofuta oa rmware. The rmware e etsa hore ESP8266 e sebetse hanyane joalo ka modem e nang le litaelo tse bululetsoeng ke sete ea taelo ea Hayes. Taelo ea AT+GMR AT+GMR e bontša mofuta oa rmware.
AT+GMR
KA mofuta:1.1.0.0(May 11 2016 18:09:56)
Mofuta oa SDK:1.5.4(baaeaebb)
nako ea ho bokella:May 20 2016 15:08:19
Cytron e na le tataiso e hlalosang mokhoa oa ho kenya lisebelisoa tsa rmware ho sebelisa Espressif Flash Download Tool (Windows feela) ho GitHub: CytronTechnologies/esp-at-binaries. Cytron e boetse e fana ka kopi ea rmware binary, Cytron_ESP- 01S_AT_Firmware_V2.2.0.bin.
Kamora ho ntlafatsa ka katleho, rmware e ncha e tla tlalehoa e le mofuta oa 2.2.0.0
AT+GMR
AT mofuta:2.2.0.0(b097cdf – ESP8266 – Phup 17 2021 12:57:45)
Mofuta oa SDK:v3.4-22-g967752e2
nako ea ho bokella(6800286):Aug 4 2021 17:20:05
Bin version:2.2.0(Cytron_ESP-01S)
Lenaneo la mola oa taelo le bitsoang esptool lea fumaneha e le mokhoa o mong oa ho hlophisa ESP8266-based ESP-01S mme le ka sebelisoa Linux kapa macOS.
The rmware ho ESP-01S e ka lekoa ho Moetsi oa Pi Pico ho sebelisoa Cytron's simpletest.py. Sena se romella ICMP ping ho ts'ebeletso e tsebahalang Marang-rang metsotsoana e meng le e meng e 10 mme e bonts'a nako ea ho khutla (rtt) ka milliseconds. Sena se hloka sephiri.py file ka Wi-Fi SSID (lebitso) le password - sena se hlalosoa hamorao sehloohong sena.
MOLEMOKHOPO

Mohato oa 3: Hokela li-sensor

Ho ne ho sebelisoa letlapa la bohobe le boholo ba halofo ho hokahanya li-sensor tse tharo le ho lekola molumotage tsoa ho libeteri tse 'ne tse nchafalitsoeng tsa NiMH. Setšoantšo sa qeto e phahameng se kenyellelitsoe setupong se felletseng se kaholimo mme mehato e latelang e hlalosa hore na sensor ka 'ngoe e ka hokahanngoa joang.
Litšepe tsa matla holim'a lebokose la bohobe li tsamaisoa ho tsoa ho Pi Pico ka

• VBUS (5V) le GND ho liporo tsa matla ka lehlakoreng le letšehali le
• 3V3 le GND ka lehlakoreng le letona.

Litšepe tsa motlakase li tšoailoe ka mola o mofubelu o haufi oa seporo sa positi le boputsoa bakeng sa seporo se fosahetseng (kapa sa fatše). Ka holim'a letlapa la bohobe le boholo bo felletseng (830 hole) tsena li kanna tsa ba le sete e holimo ea liporo tse sa hokahaneng le sete e tlase ea liporo.
Libetri li sebelisoa feela ho matlafatsa Omron B5W LD0101 e hlokang voltamo e tsitsitseng.tage. Matla a USB a tsoang komporong hangata a lerata a etsa hore e se be boemong bo botle.

Mohato oa 4: Ho hokela Plantower PMS5003

Plantower PMS5003 e hloka matla a 5V empa sebopeho sa eona sa "TTL style" se bolokehile 3.3V. Likhokahano tse tsoang ho
PMS5003 ka boto ea ho phatloha ho ea ho Pi Pico ke:

• VCC ho ea ho 5V (e khubelu) ka seporo sa 6 ho ea ho 5V;
• GND ho GND (e ntšo) ka mola oa 5 ho ea ho GND;
• SET ho EN (putsoa) ka mola oa 1 ho ea ho GP2;
• RX ho RX (e tšoeu) ka mola oa 3 ho ea ho GP5;
• TX ho TX (ea bohlooho) ka mola oa 4 ho ea ho GP4;
• RESET ho RESET (pherese) ka mola oa 2 ho ea ho GP3;
• NC (ha e kopane);
• NC.

Letlapa le kenyelletsa temoso mabapi le nyeoe ea tšepe.
Metal shell e hokahane le GND kahoo hlokomela hore u se ke oa e lumella hore e khutsufatsoe [sic] le likarolo tse ling tsa potoloho ntle le GND.
Karolo e atisa ho romela ka polasetiki e putsoa fllm holim'a mokotla ho sireletsa bokaholimo ho tsoa mengopeng empa sena ha sea lokela ho tšeptjoa bakeng sa ho koala motlakase.

Mohato oa 5: Hokela Sensirion SPS30

Sensirion SPS30 e hloka matla a 5V empa sebopeho sa eona sa i2c se bolokehile 3.3V. Likarolo tsa tlatsetso feela ke li-resistance tse peli tsa 2.2k ho sebetsa joalo ka li-hull-ups bakeng sa bese ea i2c. Lihokelo tse tsoang ho SPS30 ho ea ho Pi Pico ke:

• VDD (e khubelu) ho isa ho 5V5V seporo;
• SDA (e tšoeu) ho ea ho GP0 (e bohlooho) ka mola oa 11 e nang le 2.2k e hanyetsanang le seporo sa 3.3V;
• SCL (pherese) ho ea ho GP1 (pherese) ka mola oa 10 e nang le 2.2k e hanyetsanang le seporo sa 3.3V;
• SEL (botala) ho GND;
• GND (e ntšo) ho isa ho GND.

Sehokelo se ka pele se ka hloka ho sutumetsa ka thata ho se kenya hantle ho SPS30.
SPS30 e boetse e ts'ehetsa sebopeho sa serial seo Sensirion e se khothaletsang ho database.
Lintlha tse ling li lokela ho etsoa mabapi le tšebeliso ea sebopeho sa I2C. I2C qalong e ne e etselitsoe ho hokahanya li-chips tse peli ho PCB. Ha sensor e hokahane le PCB e kholo ka thapo, ho tlameha ho lebisoa tlhokomelo e khethehileng ho tšitiso ea motlakase le crosstalk. Sebelisa ka bokhutšoane kamoo ho ka khonehang (< 10 cm) le/kapa lithapo tsa khokahanyo tse sirelelitsoeng hantle.
Re khothaletsa ho sebelisa sebopeho sa UART ho fapana le moo, neng kapa neng ha ho khonahala: e matla haholoanyane khahlano le tšitiso ea motlakase, haholo-holo ka likhoele tse telele tsa khokahano.
Hape ho na le temoso mabapi le likarolo tsa tšepe tsa nyeoe.
Hlokomela, hore ho na le khokahano ea motlakase ea kahare lipakeng tsa GND pin (5) le ts'ireletso ea tšepe. Boloka tšepe ena e sireletsang oating ka motlakase e le ho qoba maqhubu leha e le afe a sa lebelloang ka khokahanyo ena ea ka hare. Haeba sena e se khetho, tekano e nepahetseng ea ka ntle lipakeng tsa phini ea GND le bokhoni bofe kapa bofe bo hokahaneng le tšireletso ke tlamo. Leha ho le joalo, leha ho le joalo, khokahanyo pakeng tsa GND le tšepe e sireletsang e ka senya sehlahisoa 'me ea beha kotsi ea tšireletso ka lebaka la mocheso o feteletseng.

Mohato oa 6: Ho hokela Omron B5W LD0101

Mohala oa Omron ha oa rereloa ho sebelisoa le boto ea bohobe. Tsela e 'ngoe e potlakileng ea ho e fetolela hore e sebelisoe ke breaboard ke ho khaola sokete, ho hlobola lithapo le ho li rekisa ho li-pin tse hlano tsa lihlooho tsa banna. Likotoana tsa Crocodile (alligator) li ka sebelisoa e le mokhoa o mong oa ho qoba ho soasoa.
Omron B5W LD0101 e hloka phepelo e tsitsitseng ea 5V. Liphetho tsa eona tse peli le tsona li maemong a 5V a sa lumellaneng le likenyelletso tsa Pi Pico's 3.3V. Ho ba teng ha bahanyetsi ka boto ea sensor ho etsa hore ho be bonolo ho theola sena ho boleng bo sireletsehileng ka ho eketsa mohanyetsi oa 4.7k ho ea fatše ka tlhahiso. Li-resistors tse holim'a board li ngotsoe ka har'a database tse etsang hore sena e be mokhoa o utloahalang.
Lihokelo tse tsoang ho B5W LD0101 ho ea ho Pi Pico ke:

• Vcc (e khubelu) ho ea ho 5V (e khubelu) seporo ka mola oa 25;
• OUT1 (mosehla) ho ea ho GP10GP10 (mosehla) ka mola oa 24 ka 4.7k e hanyetsanang le GND;
• GND (e ntšo) ho ea ho GND (e ntšo) ka mola oa 23;
• Vth (botala) ho GP26GP26 (botala) ka mola oa 22 le 0.1uF capacitor ho GND;
• OUT2 (orange) ho isa ho GP11 (orange) ka mola oa 21 ka 4.7k e hanyetsanang le GND.

The GP12 (e tala) ho tloha ho Pi Pico e hokahana le mola oa 17 mme sehanyetsi sa 10k se kopanya mola oa 17 ho ea ho oa 22.
Setlankana se hlalosa tlhokahalo ea phepelo ea motlakase e le:
Bonyane 4.5V, 5.0V e tloaelehileng, boholo ba 5.5V, ripple voltagHo kgothaletswa hore ho be le sebaka sa 30mV kapa ka tlase ho moo. Etsa bonnete ba hore ha ho lerata le ka tlase ho 300Hz. Con
rm the lumed ripple voltage bohlokoa ho sebelisa mochine oa sebele.
Libetri tse tharo tsa alkaline kapa tse 'ne tse nchafalitsoeng (NiMH) ke tsela e bonolo ka ho fetisisa ea ho fana ka matla a tsitsitseng, a tsitsitseng.tage ka bang 5V ho sensor. Phakete ea motlakase ea USB e kanna ea ba khetho e mpe hobane voltage hangata e tsoa ho betri ea lithium e sebelisang buck-boost converter e etsang hore e be lerata.
B5W LD0101 e sebelisa convection bakeng sa phallo ea eona ea moea 'me e tlameha ho behoa e otlolohile hore e sebetse ka nepo. Phetoho ea phepelo voltage ho ka etsahala hore e ame mocheso oa hitara le moea o amanang le oona. Thempereichara ea tikoloho le eona e tlameha ho ba le phello.

Mohato oa 7: Tlhokomelo ea Betri e nang le Karohano e ka khonehang

Matla a betri voltage feta boemo ba 3.3V ba processor ea Pi Pico's RP2040. E bonolo e ka arolang e ka fokotsang voltage ho ba ka hare ho sebaka seo. Sena se lumella RP2040 ho lekanya boemo ba betri ho analogue e khonang (GP26 ho GP28).
Ho ile ha sebelisoa para ea 10k resistors ka holimo ho fokotsa halofo ea molumotage. Ho tloaelehile ho bona litekanyetso tse phahameng tse sebelisoang joalo ka 100k ho fokotsa nako e senyehileng. Likamano ke:

• B5W LD0101 Vcc (e khubelu) jumper terata ho ea moleng oa 29 lehlakoreng le letšehali;
• 10k mohanyetsi moleng oa 29 pakeng tsa lehlakore le letšehali le le letona moleng oa 29;
• terata e sootho ea jumper ho Pi Pico GP27;
• 10k resistor ho tloha ka lehlakoreng le letona la mola oa 29 ho isa seporong se haufi sa GND.

GP28 ho Moetsi oa Pi Pico e ka sebelisoa e le tlhahiso ea analogue empa kaha e hokahane le pixel ea RGB e ka bang le phello e nyarosang boleng mme e kanna ea khantša kapa ea fetoha haeba tlhahiso e shebahala joalo ka protocol ea WS2812!

Hata 8: Ho kenya CircuitPython le Sensor Data Publishing Program

Haeba u sa tloaelane le CircuitPython joale ho bohlokoa ho bala tataiso ea Welcome to CircuitPython pele.

1. Kenya lilaebrari tse latelang tse supileng ho tsoa ho mofuta oa 7.x bundle ho tloha https://circuitpython.org/libraries ho lib directory ho drive ea CIRCUITPY:
   1. adafruit_bus_device
   2. adafruit_minimqtt
   3. adafruit_io
   4. adafruit_espatcontrol
   5. adafruit_pm25
   6. adafruit_requests.mpy
   7. neopixel.mpy
2. Khoasolla lilaebrari tsena tse ling tse peli bukeng ea lib ka ho tobetsa Save link as... ho files ka hare ho directory kapa ho file:
   1. adafruit_sps30 ho tloha https://github.com/kevinjwalters/Adafruit_CircuitPython_SPS30
   2. b5wld0101.py ho tloha https://github.com/kevinjwalters/CircuitPython_B5WLD0101
3. Etsa liphiri.py file (sheba mohlalaample ka tlase) ebe o tlatsa boleng.
4. Khoasolla lenaneo ho CIRCUITPY ka ho tobetsa Boloka sehokelo joalo ka… ho pmsensors_adafruitio.py
5. Reha bocha kapa u hlakole khoutu efe kapa efe e teng.py file ho CIRCUITPY ebe u reha lebitso bocha pmsensors_adafruitio.py ho code.py Sena file e tsamaisoa ha mofetoleli oa CircuitPython a qala kapa a kenya hape.

# Faele ena ke moo u bolokang litlhophiso tsa lekunutu, li-password le li-tokens!
# Haeba u li kenya ka har'a khoutu u ipeha kotsing ea ho etsa tlhahisoleseling eo kapa ho e arolelana
liphiri = {
"ssid" : "KENYA-WIFI-NAME-MONA",
"password" : "KENYA-WIFI-PASSWORD-MONA",
"aio_username" : "INSERT-ADAFRUIT-IO-USERNAME-HERE",
“aio_key” : “INSERT-ADAFRUIT-IO-APPLICATION-KEY-HERE”
# http://worldtimeapi.org/timezones
“timezone” : “Amerika/New_York”,
}
Liphetolelo tse sebelisitsoeng morerong ona e ne e le:
CircuitPython 7.0.0
CircuitPython library bundle adafruit-circuitpython-bundle-7.x-mpy-20211029.zip- liphetolelo tsa pejana ho tloha ka Loetse/Mphalane ha ea tlameha ho sebelisoa joalo ka adafruit_espatcontrol.
laebrari e ne e le tšitiso le mesebetsi e halofo ka mokhoa o ferekanyang.

Mohato oa 9: Adafruit IO Setup

Adafruit e na le litataiso tse ngata mabapi le ts'ebeletso ea bona ea Adafruit IO, tse bohlokoa haholo ke tsena:
Rea u amohela ho Adafruit IO
Adafruit IO Basics: Feeds
Adafruit IO Basics: Dashboards
Ha u se u tloaelane le liphepelo le li-dashboard, latela mehato ena.

1. Theha ak'haonte ea Adafruit haeba ha u na eona.
2. Etsa sehlopha se secha se bitsoang mpp-pm tlasa Feeds
3. Etsa liphepelo tse robong sehlopheng sena se secha ka ho tobetsa konopo ea + Fepa e Ncha, mabitso ke:
   1. b5wld0101-raw-out1
   2. b5wld0101-raw-out2
   3. b5wld0101-vcc
   4. b5wld0101-vth
   5. CPU-mocheso
   6. pms5003-pm10-standard
   7. pms5003-pm25-standard
   8. sps30-pm10-e tloaelehileng
   9. sps30-pm25-e tloaelehileng
4. Etsa dashboard bakeng sa boleng bona, li-blocks tse khothalelitsoeng ke:
   1. Li-blocks tsa Line Line tse tharo, e le 'ngoe bakeng sa sensor ka 'ngoe e nang le mela e' meli ka chate.
   2. Li-gauge tse tharo tsa voltages le mocheso.
      

Mohato oa 10: Netefatsa Phatlalatso ea Boitsebiso

Leqephe la Monitor tlasa Pro file e thusa ho netefatsa hore data e fihla ka nako ea nnete ka ho sheba Live Data file karolo. Lenaneo le fetola pixel ea RGB e putsoa bakeng sa metsotsoana ea 2-3 ha e romela data ho Adafruit IO ebe e khutlela ho tala.
Thempereichara e tsoang ho RP2040 e bonahala e fapana haholo lipakeng tsa li-CPU tse fapaneng mme ha ho na monyetla oa ho lumellana le mocheso o teng.
Haeba sena se sa sebetse, mona ke lintho tse 'maloa tseo u lokelang ho li hlahloba.

• Haeba pixel ea RGB e lula bakeng sa kapa haeba data e sa amoheloe ke Adafruit IO joale hlahloba USB serial console bakeng sa tlhahiso / liphoso. Phallo ea linomoro bakeng sa Mu ho serial console e tla bonts'a hore na li-sensor li sebetsa ka mela e mecha e hatisoang metsotsoana e meng le e meng ea 2-3 - bona ka tlase bakeng sa ex.ample tlhahiso.
• Karolo ea Live Liphoso leqepheng la Monitor ho bohlokoa ho hlahloba hore na data e ea romelloa empa e sa hlahe.
• Phapang ea debug lenaneong e ka hlophisoa ho tloha ho 0 ho isa ho 5 ho laola bongata ba tlhaiso-leseling ea debugging. Maemo a holimo a tima khatiso ea tuple bakeng sa Mu.
• The simpletest.py programme ke tsela e molemo ea ho paka hore khokahanyo ea Wi-Fi e entsoe, 'me khokahanyo ea Marang-rang e sebetsa molemong oa ICMP.
• Netefatsa hore o sebelisa mofuta oa morao-rao oa laebrari ea adafruit_espatcontrol.
• Li-LED tse putsoa tsa Moetsi oa Pi Pico ho GPIO ka 'ngoe li thusa haholo ho fumana pono ea hang-hangview ea naha ea GPIO. GPIO eohle e hokahaneng e tla sebetsa ntle le:
  • GP26 e tla tima hobane voltage (e ka bang 500mV) e tlase haholo;
  • GP12 e tla ba lerootho hobane ke ~ 15% ea potoloho ea mosebetsi lets'oao la PWM;
  • GP5 e tla sebetsa empa e tla qepha ha data e romelloa ho tsoa ho PMS5003;
  • GP10 e tla tima, empa e tla fifala ha likaroloana tse nyane li bonoa ke B5W LD0101;
  • GP11 e tla tima empa e tla fofa ka linako tse ling ntle le haeba u le sebakeng se tsubellang ka tsela e ikhethang.

Sephetho se reretsoeng moqapi oa Mu se tla shebahala tjena ka phapusing:
(5,8,4.59262,4.87098,3.85349,0.0)
(6,8,4.94409,5.24264,1.86861,0.0)
(6,9,5.1649,5.47553,1.74829,0.0)
(5,9,5.26246,5.57675,3.05601,0.0)
(6,9,5.29442,5.60881,0.940312,0.0)
(6,11,5.37061,5.68804,1.0508,0.0)
Kapa kamore e nang le moea o hloekileng:
(0,1,1.00923,1.06722,0.0,0.0)
(1,2,0.968609,1.02427,0.726928,0.0)
(1,2,0.965873,1.02137,1.17203,0.0)
(0,1,0.943569,0.997789,1.47817,0.0)
(0,1,0.929474,0.982884,0.0,0.0)
(0,1,0.939308,0.993282,0.0,0.0)
Maemo a ts'eletseng moleng ka tatellano ke:

1. PMS5003 PM1.0 le PM2.5 (litekanyetso tse felletseng);
2. SPS30 PM1.0 le PM2.5;
3. B5W LD0101 lipalo tse tala OUT1 le OUT2.
   

Mohato oa 11: Ho Lekola li-Sensors ka hare ho Mu le Adafruit IO

Video e kaholimo e bonts'a li-sensor tse sebetsanang le papali e otloang ho bonesa thupa ea libano. Maemo a phahameng a PM2.5 ho tloha ho PMS5003 le SPS30 ke 51 le 21.5605, ka ho latellana. B5W LD0101 e sibollotse optics 'me ka bomalimabe e angoa ke mabone a tungsten halogen a sebelisitsoeng video ena. Ho na le boemo bo phahameng ba likaroloana moeeng ho tloha tekong e fetileng.
Hopola ho hakolla pakete ea betri ha e sa sebelisoe ho seng joalo hitara ea B5W LD0101 e tla khantša libeteri.
https://www.youtube.com/watch?v=lg5e6KOiMnA

Mohato oa 12: Hlalosa Taba Kantle ho Guy Fawkes Night

Bosiu ba Guy Fawkes bo amahanngoa le litima-mollo le li-fireworks tse ka tlatsetsang keketsehong ea tšilafalo ea moea bakeng sa mantsiboea a le mong kapa a mabeli. Lits'oants'o tse kaholimo li bonts'a li-sensor tse tharo li behiloe kantle kamora hora ea bosupa mantsiboea ka Labohlano la 7 Pulungoana 5. Ho ne ho se na li-firework sebakeng se haufi empa li ne li utloahala hole. Tlhokomeliso: tekanyo ea ho fofa e fapana pakeng tsa lichate tse tharo.
Lintlha tsa phepelo tse bolokiloeng ho Adafruit IO li bonts'a li-sensor tse bonang moea li se li na le boemo bo phahamisitsoeng hanyane ba PM2.5 ho latela linomoro tsa SPS30:
2021/11/05 7:08:24PM 13.0941
2021/11/05 7:07:56PM 13.5417
2021/11/05 7:07:28PM 3.28779
2021/11/05 7:06:40PM 1.85779
Tlhōrō e ne e ka ba 46ug ka cubic meter pele ho 11pm:
2021/11/05 10:55:49PM 46.1837
2021/11/05 10:55:21PM 45.8853
2021/11/05 10:54:53PM 46.0842
2021/11/05 10:54:26PM 44.8476
Ho na le li-spikes tse khutšoane kae kapa kae ho data ha li-sensor li ne li le kantle. Sena se ka bakoa ke li-wafts tse tsoang ho:

• ho felloa ke matla ho tsoa ho futhumatsang bohareng ba khase,
• batho ba tsubang haufi le/kapa
• monko/mosi o tswang ho pheha.

Sheba boemo ba leholimo pele u beha lisebelisoa tsa elektroniki tse pepenene kantle!

Mohato oa 13: Hlalosa Taba ka hare ho Ho pheha

Lits'oants'o tse kaholimo li bonts'a hore na li-sensor li arabela joang ha li-bacon le li-mushroom li halikiloe ka kichineng e haufi le ho ntšoa ha li-mediocre. Li-sensor li ne li ka ba 5m (16ft) ho tloha ho hob. Hlokomela: tekanyo ea y e fapana pakeng tsa lichate tse tharo.
Lintlha tsa phepelo tse bolokiloeng ho Adafruit IO li bonts'a li-sensor tse nang le tlhoro e khuts'oane ea PM2.5 e ka bang 93ug ka cubic meter ho latela linomoro tsa SPS30:
2021/11/07 8:33:52PM 79.6601
2021/11/07 8:33:24PM 87.386
2021/11/07 8:32:58PM 93.3676
2021/11/07 8:32:31PM 86.294
Lintho tse silafatsang li tla fapana haholo le tse tsoang ho reworks. Ena ke ex e khahlisangample ea mehloli e fapaneng ea lintho tse phelang moeeng oo re o hemang.

Mohato oa 14: Li-Sensors tsa Litaba tsa Sechaba

Lintlha tse kaholimo li tsoa ho lisensara tsa sechaba tse haufi.

• Phefumoloha London
  • Clarity Movement Node-S
    • tbps
    • oss
    • rl
• OpenAQ
  • PurpleAir PA-II
    • sr
• London Air Quality Network
  • Reference-quality (Met One BAM 1020 le tse ling)
    • FS
    • AS
    • TBR

Li-tbps le li-sensor tsa TBR li batla li le 'moho 'me li entsoe ka graph ho bonts'a khokahano lipakeng tsa sesebelisoa se thehiloeng ho SPS30 le referense e haufi. SPS30 e bonahala e sa balehe haholo mantsiboeeng a la 5 le la 6 Pulungoana ha ho utloahala ho nahana hore keketseho ea mantsiboea e bakoa ke ho lokisoa bocha. Sena se ka bakoa ke phapang pakeng tsa boima ba likaroloana kaha li-sensor tse sebelisitsoeng bakeng sa sengoloa sena li khona ho bona molumo feela 'me li hloka ho hakanya boholo ba likaroloana ho hlahisa boleng ba li-micrograms ka li-cubic meter.
PMS5003 ho PurpleAir PA-II e bonahala e bala ho feta tekano bakeng sa maemo afe kapa afe a phahameng a PM2.5 a ipapisitseng le nako ena e khuts'oane. Sena se ka lumellana le liphetho tse hlahang maqepheng a fetileng kapa ho ka ba le lintlha tse ling haufinyane tse bakang sena.
SPS30 le PMS5003 li hlahisa lintlha bakeng sa likaroloana tse kholo ho feta 2.5 microns empa maqephe a latelang a bontša hore na ke hobane'ng ha sena se lokela ho tšoaroa ka hloko.

Mohato oa 15: Papiso ea Li-Sensors - Boholo ba Karolo

Li-graph tse ka holimo li tsoa tlhahlobong ea Laboratori ea khetho ea boholo ba likaroloana tsa li-sensor tsa lintho tse theko e tlase tse entsoeng ke Setsi sa Meteorological sa Finnish. Li-sensor tse tharo tsa mofuta o mong le o mong li ile tsa lekoa ka boholo bo fapaneng bo bontšitsoeng ho logarithmic x axis. Mela e mebala e bontša litekanyetso tse baloang tsa lihlopha tse khethehileng tsa boholo ba likaroloana tse thehiloeng ho liphello tsa sensor, banding e bontša kabo. Litekanyetso tse tharo tsa SPS30 tse kaholimo ho 1 micron li fetana haholo ho etsa hore ho be thata haholo ho khetholla.
Metrics e tloaelehileng ea likaroloana ke PM2.5 le PM10. Ha palo e lebitsong e bolela boholo ba boholo ba karoloana, likarolo li ka micrograms ho cubic meter. Lisensara tse theko e tlaase li ka lekanya feela bophara ba karoloana (bolumo) 'me li tlameha ho hakanya ka boima ba 'mele ho bala boleng ba PM2.5 le PM10.
PMS5003 e sebelisa boleng bo sa feleng ba letsoalo, Sensirion e hlalosa mokhoa oa bona oa letsoalo bakeng sa SPS30 joalo ka:
Boholo ba li-sensor tsa PM tse theko e tlase 'marakeng li nka boima bo sa fetoheng ba ho lekanya 'me li lekanya mahloriso a boima ka ho atisa palo ea likaroloana tse fumanoeng ka bongata bona. Khopolo ena e sebetsa feela haeba sensor e lekanya mofuta o le mong oa karoloana (mohlala, mosi oa koae), empa bonneteng re na le mefuta e mengata e fapaneng ea likaroloana tse nang le lisebelisoa tse ngata tse fapaneng bophelong ba letsatsi le letsatsi, ho tloha lerōleng la ntlo le "boima" ho isa ho likaroloana tse tukang tse bobebe. . Sensirion's proprietary algorithms e sebelisa mokhoa o tsoetseng pele o lumellang khakanyo e nepahetseng ea bongata, ho sa tsotelehe mofuta oa likaroloana o lekantsoeng. Ho feta moo, mokhoa o joalo o etsa hore ho be le khakanyo e nepahetseng ea meqomo ea boholo.
Metrics ea PM e akaretsa likaroloana tsohle tse ka tlase ho paramethara ea boholo, ke hore
PM1 + boima ba likaroloana tsohle tse pakeng tsa 1.0 le 2.5 microns = PM2.5,
PM2.5 + boima ba likaroloana tsohle tse pakeng tsa 2.5 le 10 microns = PM10.
PMS5003 le SPS30 ha li khone ho bona likaroloana tekong ena ea laboratori ka holimo ho li-micron tse 2-3. Ho ka etsahala hore ba bone mefuta e meng ea likaroloana tse ka holimo ho boholo bona.
B5W LD0101 e shebahala e ts'epahala ho tsoa tekong ena ea laboratori ea ho metha PM10.

Mohato oa 16: Papiso ea Li-Sensors - Moralo

Mochine o futhumatsang oa Omron (100 ohm +/- 2% resistor!) e ka bonoa haeba sensor e fetoleloa holimo. Moralo o tšohloa ka ho qaqileng ho Omron: Nts'etsopele ea sensor ea boleng ba moea bakeng sa puriffer ea moea. Tšebeliso ea convection e bonahala e le litšila empa e ka ba tharollo e phahameng ea ts'epo ha e bapisoa le karolo ea mochini e kang fan e nang le nako e telele ea bophelo le bophelo bohle bo ka fokotsoang ke ho sebetsa sebakeng se lerōle. Fan ea SPS30 e bonahala e etselitsoe hore e ka nkeloa sebaka habonolo ntle le ho bula kesi. Mefuta e meng ea Plantower e na le sebopeho se tšoanang sa moralo.
Li-sensor tse tharo kaofela li tla ba le tšekamelo ea ho ba le litlamorao tsa mongobo o phahameng oo ka bomalimabe o eketsang litekanyetso tsa PM ka phoso.
Li-sensor tse netefalitsoeng, tsa boleng ba litšupiso (lenane la UK's DEFRA) tse behang leihlo taba ha li sebelise mokhoa oa optical ho metha. Met One BAM 1020 e sebetsa ka

1. ho arola le ho lahla likaroloana tse kholo ho feta tekanyo ea boholo bo tsoang moeeng sample,
2. ho futhumatsa moea ho laola/ho fokotsa mongobo o itseng,
3. ho kenya likaroloana karolong e ncha ea tepi e tsoelang pele ea brous le
4. ebe ho lekanya ho fokotseha ha mohloli oa mahlaseli a beta ka likaroloana tse bokelitsoeng theiping ho bala khakanyo e ntle ea boima bohle ba likaroloana.

Mokhoa o mong o tloaelehileng ke Tapered Element Oscillating Microbalance (TEOM) e behang likaroloana holim'a lter e ka nkeloang sebaka karolong e sa lefelloeng ea tube e tapered e leng xed ka lehlakoreng le leng. Tekanyo e nepahetseng ea maqhubu a oscillation ea tube ea tlhaho-resonant e lumella boima bo eketsehileng ba likaroloana ho baloa ho tloha ho miniscule variation ho frequency. Mokhoa ona o loketse ho theha litekanyetso tse phahameng tsa PM.

Mohato oa 17: Tsoela Pele

Ha u se u thehile li-sensor tsa hau 'me u phatlalatsa lintlha ho Adafruit IO, mona ke mehopolo e meng eo u ka e hlahlobang:

• Lekola kamore e 'ngoe le e' ngoe ka tlung ea hau ha nako e ntse e ea, u hlokomele mosebetsi le moea o kenang. Lekola ntlo ea hau ha u pheha. Lekola barbeque.
• Sebelisa likonopo tse tharo ho Moetsi oa Pi Pico. Tsena li hokahane le GP20, GP21 le GP22 tse neng li siiloe ka boomo li sa sebelisoe ho lumella tšebeliso ea konopo.
• Haeba u lula haufi le seteishene sa sechaba sa ho shebella boleng ba moea bapisa data ea hau le eona.
• Kenya ponts'o bakeng sa ts'ebeliso e teng e bonts'ang boleng ba sensor. SSD1306 e nyane, e hlophisehile ebile e bonolo ho e kenyelletsa / ho e sebelisa ho CircuitPython. Sheba Litaelo: Ho Bona Mongobo oa Mobu
• Le Moetsi Pi Pico bakeng sa example tšebeliso ea eona.
• Batlisisa laeborari ea MQTT ho bona hore na data eohle ea sensor e ka romelloa ka sehlopha se le seng. Sena se lokela ho sebetsa ho feta.
• Kopanya ka tsela e itseng le IKEA Vindriktning Air Quality Sensor e ikemetseng.
  • Khokahano ea MQTT ea Soren Beye bakeng sa Ikea VINDRIKTNING e bonts'a mokhoa oa ho eketsa ESP8266 ho sensor le ho supa sensor ea particulate matter (lerōle) joalo ka "Cubic PM1006-like".
  • Morero o tsoetseng pele e tla ba oa ho nkela PCB e kholo sebaka ka boto e thehiloeng ho ESP32-S2 e nang le lisebelisoa tse eketsehileng tsa tikoloho ea dijithale ho theha sesebelisoa sa Wi-Fi, se thehiloeng ho CircuitPython.
  • Sesebelisoa sena se tšohloa ho Forum Assistant ea Lehae: IKEA Vindriktning Air Quality Sensor.
  • LaskaKit e hlahisa PCB e ncha e thehiloeng ho ESP32 bakeng sa sensor ho e lumella ho sebelisoa habonolo le ESPHome.
• Ithute litlamorao tsa ho fapana ha phepelo voltage ka har'a mekhahlelo e lumelletsoeng ea li-sensor. Sena se ka fetola lebelo la fan kapa mocheso oa hitara o amang liphetho.
• Theha sebaka sa boemo ba leholimo le sepakapaka se nang le bopaki ba liphoofolo tse hlaha ka moralo o hlokolosi bakeng sa lisebelisoa tsa moea, phallo le moea o fetileng. Sekhele se kentsoeng terateng se ne se sebelisetsoa ho sireletsa lisebelisoa tsa elektroniki tse bulehileng, tse pepesitsoeng bakeng sa ho bokella lintlha mafelong a beke bakeng sa sengoloa sena.

Merero e Amanang:

• Costas Vav: Portable Air Quality Sensor
• Pimoroni: Seteishene sa boleng ba moea se kantle se nang le Enviro+ le Luftdaten
• Litaelo: Ho sebelisa Pimoroni Enviro+ FeatherWing With the Adafruit Feather NRF52840 Express - the
• Enviro+ FeatherWing e kenyelletsa sehokelo sa PMS5003. SPS30 e ka sebelisoa ka li-pin tsa i2c mme ho na le lithakhisa tse lekaneng ho sebelisa B5W LD0101 hape.
• NRF52840 ha e tšehetse Wi-Fi kahoo sena se ke ke sa sebelisoa ka bosona ho phatlalatsa data ho Internet.
• Adafruit Learn: Air Quality Sensor 3D Printed Enclosure . - e sebelisa Adafruit Feather M4 e nang le Airlift FeatherWing e thehiloeng ho ESP32 le PMS5003.
• Ithute ka Adafruit: Quickstart IoT - Raspberry Pi Pico RP2040 e nang le WiFi - e sebelisa boto ea ho phatloha ea Adafruit AirLift e thehiloeng ho ESP32.
• GitHub: CytronTechnologies/MAKER-PI-PICO Example Code/CircuitPython/IoT – example khoutu ea Adafruit IO, Blynk le Thinkspeak.
• Cytron: Tlhokomelo ea Moea e Sebelisang Mohala oa Mohala - e sebelisa thebe ea Arduino e thehiloeng ho ESP8266 ho romella data ho tsoa ho
• Honeywell HPM32322550 particulate matter sensor ho Blynk, ha ho (bohlale) fono e hlokahalang.

Li-sensor tsa lipakeng, li turu haholo empa li na le bokhoni bo betere ba ho bona boholo ba likaroloana tse kholo:

• Piera Systems IPS-7100
• Alphasense OPC-N3 le OPC-R2

Ho Eketsa ho Bala:

• Li-sensor
  • Setsi sa Meteorological sa Finland: Tlhahlobo ea laboratori ea khetho ea boholo ba likaroloana tsa li-sensor tsa lintho tse theko e tlase (Mots'eanong 2020)
  • Gough Lui: Review, Teardown: Plantower PMS5003 Laser Particulate Monitor Sensor e kenyelletsa papiso le Sensirion SPS30.
  • Karl Koerner: Mokhoa oa ho Bula le ho Hloekisa Sensor ea Moea ea PMS 5003
  • Met One Instruments, Inc., BAM-1020 EPA TSA Training Video (YouTube) – e bontsha se ka hare le hore na se sebetsa jwang.
  • CITRIS Research Exchange: Sean Wihera (Clarity Movement) talk (YouTube) - bua ho kenyelletsa lintlha tse mabapi le sensor ea Node-S e sebelisang Sensirion SPS30.
• Melao le Mekhatlo e amehang ka boleng ba moea
  • Melao ea Maemo a Moea oa 2010 (UK)
  • Litaelo tsa Tšilafalo ea Moea tsa Mokhatlo oa Lefatše oa Bophelo (WHO).
  • British Lung Foundation - Boleng ba Moea (PM2.5 le NO2)
• Patlisiso
  • Imperial College London: The Indoor-Outdoor Air-Pollution Continuum (YouTube)
  • Bana ba sekolo sa mathomo ba bokella lintlha tsa boleng ba moea ba sebelisa mekotla London ka 2019:
    • Dyson: Ho latela tšilafalo nakong ea sekolo. Phefumoloha London (YouTube)
    • King's College London: Sehlopha sa Lipatlisiso tsa Tikoloho: Thuto ea Breathe London Wearables
  • Atmosphere Journal: Tšilafalo ea Moea ka Ka Hare ho Tsoa Setofong sa Bolulo: Ho Lekola Moroallo oa Lintho Tse Hlakang Matlong nakong ea Tšebeliso ea Sebele ea Lefatše.
• Litaba le Blogs
  • The Economist: Leholimo har'a mp'a bosiu - Ho futhumatsa ntlo ea mashala e khubelu ea Poland ho baka tšilafalo e atileng (Pherekhong 2021)
  • US NPR: Ho Itšireletsa ka Hare ho Na ho ka se U Sirele Likotsing tsa Mosi o Hlaha?
  • Reuters: Mokete o felile: Diwali o tloha Delhi a ntse a fofa moeeng o kotsi
  • Pimoroni Blog: Bosiu bo Silafetseng ka ho Fetisisa ba Selemo (UK)
  • Motsamao o Hlakileng: Mosi oa Mollo o Hlaha, Bophelo bo Botle ba Sechaba, le Toka ea Tikoloho: Molemo
  • Ho Etsa Liqeto ka Tlhokomelo ea Moea (YouTube) - nehelano le lipuisano ka boleng ba moea ba Amerika bophirima haholo-holo ho pota 2020 mosi oa Mollo o hlaha.
  • Mohlokomeli: Moea o litšila o ama 97% ea matlo a UK, lipontšo tsa data
• Tlhokomelo e itseng le ho boloka data
  • Netherlands Rijksinstituut voor Volksgezondheid en Milieu (Setsi sa Naha sa Bophelo bo Botle ba Sechaba le Tikoloho): Vuurwerkexperiment (Teko ea Li-Fireworks) 2018-2019
  • Google: Seterata ka seterata: Kamoo re etsang 'mapa oa boleng ba moea Europe - seterateng view likoloi li bokella data ea particulate matter le khase e silafetseng.London Air Quality Network
  • Phefumoloha London - marang-rang a tlatselletsang London Air Quality Network ka "li-sensor tse hlophisehileng, tse bonolo ho kenya le ho boloka boleng ba moea ho mang kapa mang", hajoale e sebelisa Clarity Movement Node-S.
  • Embassy ea US e Beijing e beha leihlo taba ea litaba (Twitter)
  • World Air Quality Index - e bokella lintlha ho tsoa mehloling e mengata e fapaneng e nang le 'mapa views le data histori.
  • Sensor.Community (eo pele e neng e tsejoa e le Luftdaten) - "ho etsa hore lefats'e e be sebaka se betere ka data e tsamaisoang ke sechaba, e bulehileng ea tikoloho".
• Lilaebrari tsa Software
  • Software Bugs in a Particulate Matter Sensor Library - the adafruit_pm25 e na le bothata bonyane ho tsoa ho e 'ngoe ea litaba tse hlalositsoeng tse hlokang mokhelo ho sebetsana le read() for serial (UART).
• Likhoso
  • HarvardX: Tšilafalo ea moea (YouTube) - video ea metsotso e mehlano ho tsoa thupelong e khuts'oane ea EdX: Matla ka har'a Litšitiso tsa Tikoloho.

Tlhokomelo ea bohlokoa ea polokeho le lialamo li ka sieloa lisebelisoa tsa khoebo ho tsoa ho barekisi ba tsebahalang.
https://www.youtube.com/watch?v=A5R8osNXGyo
Ho Phatlalatsa Boitsebiso ba Particulate Matter Sensor ho Adafruit IO Ka Moetsi Pi Pico le ESP-01S:

Litokomane / Lisebelisoa

litaelo tsa ESP-01S Publishing Particulate Matter Sensor [pdf] Bukana ea Mosebelisi ESP-01S Publishing Particulate Matter Sensor, ESP-01S, Publishing Particulate Matter Sensor, Particulate Matter Sensor, Matter Sensor

Litšupiso

• Bukana ea Mosebelisi