{"id":777,"date":"2020-05-01T19:13:17","date_gmt":"2020-05-01T17:13:17","guid":{"rendered":"https:\/\/krystiankozak.pl\/?p=777"},"modified":"2020-05-01T19:52:45","modified_gmt":"2020-05-01T17:52:45","slug":"raspberry-pi-temperatura-co","status":"publish","type":"post","link":"https:\/\/krystiankozak.pl\/index.php\/raspberry-pi-temperatura-co\/","title":{"rendered":"Raspberry Pi: Pomiar temperatury pieca CO"},"content":{"rendered":"

Raspberry Pi dzi\u0119ki wyprowadzeniom GPIO daje wiele mo\u017cliwo\u015bci. DziPonadto dzi\u0119ki \u0142\u0105czno\u015bci bezprzewodowej znacznie u\u0142atwia monta\u017c w dogodnym miejscu. Dzi\u0119ki czemu uda\u0142o mi si\u0119 zbudowa\u0107 system z mo\u017cliwo\u015bci\u0105 pomiaru temperatury oraz wysy\u0142ania alarm\u00f3w d\u017awi\u0119kowych do g\u0142o\u015bnika bluetooth.<\/h3>\n

<\/p>\n

Do zrealizowania tego projektu wykorzysta\u0142em:<\/strong>
\nRaspberry Pi Zero W<\/a>
\n2x DS18B20<\/a>
\nZ\u0142\u0105cze ARK4 do p\u0142ytki stykowej
\nG\u0142o\u015bnik Bluetooth np. ESPERANZA Ritmo EP115K<\/a><\/p>\n

Na Raspberry Pi zainstalowa\u0142em najnowszego Raspbiana Bustera, zaktualizowa\u0142em oraz pod\u0142\u0105czy\u0142em do sieci Wi-Fi. Pod\u0142\u0105czy\u0142em szeregowo czujniki temperatury do z\u0142\u0105cza ARK4 a nast\u0119pnie bezpo\u015brednio do z\u0142\u0105cz GPIO mailiny. Wi\u0119cej informacji jak pod\u0142\u0105czy\u0107 DS18B20 do Raspberry Pi znajdziesz tutaj<\/a>.<\/p>\n

Czujniki umie\u015bci\u0142em w miejscach gdzie znajduj\u0105 oryginalne czujniki od komputera CO. Umie\u015bci\u0142em je jako dodatkowe aby nie zaburza\u0107 pomiar\u00f3w pieca.<\/div>\n
<\/div>\n
Sensory DS18B20 \u015bwietnie si\u0119 nadaj\u0105 do tego zadania. U mnie w takich warunkach pracuj\u0105 od ponad 2 lat i nie ma z nimi problemu. Co ciekawe ten sam model jest cz\u0119sto stosowany przez producent\u00f3w komputer\u00f3w od obs\u0142ugi pieca CO.<\/div>\n
<\/div>\n

\"\"<\/a><\/p>\n

Aby zweryfikowa\u0107 poprawno\u015b\u0107 pod\u0142\u0105czenia DS18B20 do Raspberry Pi:<\/p>\n

\n
\n
 \r\nls \/sys\/bus\/w1\/devices\r\n<\/pre>\n<\/div>\n<\/div>\n
Przyk\u0142adowy wynik polecenia dla poprawnie wykrytych czujnik\u00f3w:<\/div>\n
\n
 \r\n28-01131368d2aa  28-02199245b034  w1_bus_master1\r\n<\/pre>\n<\/div>\n
Dla pewno\u015bci mo\u017cna jeszcze wykona\u0107 odczyt z takiego czujnika:<\/div>\n
\n
 \r\ncat \/sys\/bus\/w1\/devices\/numer-seryjny_czujnika\/w1_slave\r\n<\/pre>\n<\/div>\n
Przyk\u0142adowy wynik polecenia:<\/div>\n
\n
 \r\n60 03 4b 46 7f ff 0c 10 6e : crc=6e YES\r\n60 03 4b 46 7f ff 0c 10 6e t=54000\r\n<\/pre>\n<\/div>\n
<\/div>\n
Nast\u0119pnie nale\u017cy zainstalowa\u0107 Domoticza:<\/div>\n
\n
 \r\ncurl -L https:\/\/install.domoticz.com | bash\r\n<\/pre>\n<\/div>\n
Nale\u017cy post\u0119powa\u0107 zgodnie z komunikatami. Po poprawnej instalacji panel Domoticza powinien by\u0107 dost\u0119pny na http:\/\/ip_raspberry:8080<\/div>\n
<\/div>\n
Dodajemy czujniki do Domoticza. Wi\u0119cej informacji jak to zrobi\u0107 znajdziesz tutaj<\/a>.<\/div>\n
\"\"<\/a>Teraz nale\u017cy zainstalowa\u0107 pakiet do obs\u0142ugi d\u017awi\u0119ku po bluetooth:<\/div>\n
\n
 \r\nsudo apt update sudo apt upgrade -y\r\nsudo apt install bluealsa\r\n<\/pre>\n<\/div>\n
W\u0142\u0105czamy g\u0142o\u015bnik. Uruchamiamy opcje wykrywania go oraz prze\u0142\u0105czamy w tryb parowania.<\/div>\n
<\/div>\n
Nast\u0119pnie z poziomu Raspberry \u0142\u0105czymy si\u0119 do g\u0142o\u015bnika, dodajemy do zaufanych oraz parujemy go.<\/div>\n
\n
\r\nsudo bluetoothctl\r\npower on\r\nscan on\r\n<\/pre>\n<\/div>\n
Czekamy a\u017c malinka znajdzie nasze urz\u0105dzenie. Chwile mo\u017ce to potrwa\u0107. Gdy ju\u017c znajdzie wpisujemy:<\/div>\n
\n
\r\nscan off\r\nconnect adres_g\u0142o\u015bnika\r\nadres_g\u0142o\u015bnika\r\npair adres_g\u0142o\u015bnika\r\nexit\r\n<\/pre>\n<\/div>\n
Kolejnym krokiem b\u0119dzie utworzenie „g\u0142upiego” (dummy) sensora pod kt\u00f3ry podepniemy prosty skrypt do odtwarzania alertu.<\/div>\n
\"\"<\/a>Nast\u0119pnie klikamy na „Utw\u00f3rz wirtualny czujniki”<\/div>\n
\"\"<\/a>Klikamy OK. Przechodzi do zak\u0142adki „Prze\u0142\u0105czniki” i edytujemy czujnik.<\/div>\n
<\/div>\n
\"\"<\/a>Uzupe\u0142niamy \u015bcie\u017ck\u0119 skrypt\u00f3w, ikon\u0119 oraz inne dane.<\/div>\n
<\/div>\n
Alarm_On.sh<\/div>\n
\n
\r\n#!\/bin\/bash\r\necho -e "connect adres_g\u0142o\u015bnika" | sudo bluetoothctl > \/dev\/null 2>&1\r\nsleep 10\r\nfor i in {1..5}\r\ndo\r\n        sleep 1\r\n        aplay -D bluealsa:SRV=org.bluealsa,DEV=adres_g\u0142o\u015bnika,PROFILE=a2dp \/home\/pi\/domoticz\/scripts\/bash\/przykladowy_dzwiek.wav\r\ndone\r\n<\/pre>\n<\/div>\n
Alarm_Off.sh<\/div>\n
\n
\r\n#!\/bin\/bash\r\necho -e "disconnect adres_g\u0142o\u015bnika" | sudo bluetoothctl &gt; \/dev\/null 2&gt;&amp;1 <\/pre>\n<\/div>\n
Przechodzimy do zak\u0142adki Konfiguracja –> Wi\u0119cej Opcji –> Zdarzenia. Klikamy „+” dodaj\u0105c nowe zdarzenie.<\/div>\n
\"\"<\/a>Przyk\u0142adowe zdarzenia dla alertu o temperatrzue 70 stopni.\u00a0<\/em><\/div>\n
Teraz pora przetestowa\u0107 nasz prze\u0142\u0105cznik klikajac na g\u0142o\u015bniczek.\"\"<\/a>Je\u017celi us\u0142yszymy d\u017awi\u0119k to znaczy \u017ce mikrokomputer prawid\u0142owo po\u0142\u0105czy\u0142 si\u0119 z g\u0142o\u015bnikiem. W celu sprawdzenia automatycznego „zdarzenia” polecam ustawi\u0107 najpierw nisk\u0105 temperatur\u0119, dzi\u0119ki czemu sprawdzimy ca\u0142\u0105 konfiguracje w boju.<\/div>\n
<\/div>\n
W moim przypadku g\u0142o\u015bnik umie\u015bci\u0142em w wiatro\u0142apie by d\u017awi\u0119k by\u0142 bardziej s\u0142yszalny. G\u0142o\u015bnik ca\u0142y czas jest podpi\u0119ty do \u0142adowarki USB aby si\u0119 nie roz\u0142adowa\u0142.Taka konfiguracja funkcjonuje u mnie ju\u017c 2 lata. Nie zanotowa\u0142em wi\u0119kszych problem\u00f3w.<\/div>\n
<\/div>\n
Dzi\u0119ki prostemu projektowi uchroni\u0142em moich rodzic\u00f3w od przykrych niespodzianek. Ponadto mo\u017cna sprawdzi\u0107 temperatur\u0119 pieca oraz bojlera bez „wycieczki” do piwnicy co jest du\u017c\u0105 wygod\u0105.<\/div>\n
<\/div>\n
<\/div>\n","protected":false},"excerpt":{"rendered":"
Raspberry Pi dzi\u0119ki wyprowadzeniom GPIO daje wiele mo\u017cliwo\u015bci. DziPonadto dzi\u0119ki \u0142\u0105czno\u015bci bezprzewodowej znacznie u\u0142atwia monta\u017c w dogodnym miejscu. Dzi\u0119ki czemu uda\u0142o mi si\u0119 zbudowa\u0107 system z mo\u017cliwo\u015bci\u0105 pomiaru temperatury oraz wysy\u0142ania alarm\u00f3w d\u017awi\u0119kowych do g\u0142o\u015bnika bluetooth.<\/p>\n","protected":false},"author":1,"featured_media":797,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[1,23,173],"tags":[274,27,273,282,281,29,283,284,278,277,203,209,280,279,26,276,275,285,25,219,175,174],"class_list":["post-777","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-projekty","category-raspberry","tag-274","tag-27","tag-273","tag-alarm","tag-alert","tag-b","tag-bezprzewodowy","tag-bluetooth","tag-bojler","tag-co","tag-domoticz","tag-ds18b20","tag-dzwiek","tag-kociol","tag-pi","tag-piec","tag-pomiar","tag-przelacznik","tag-raspberry","tag-temperatury","tag-w","tag-zero"],"yoast_head":"\nRaspberry Pi: Pomiar temperatury pieca CO -<\/title>\n<meta name=\"description\" content=\"Raspberry Pi dzi\u0119ki wyprowadzeniom wej\u015bcia\/wyj\u015bcia daje wiele mo\u017cliwo\u015bci, 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