{"id":96333,"date":"2020-10-10T19:42:44","date_gmt":"2020-10-10T17:42:44","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/multisensornyj-besprovodnoj-mikro-diy-datchik"},"modified":"2020-10-10T19:42:44","modified_gmt":"2020-10-10T17:42:44","slug":"multisensornyj-besprovodnoj-mikro-diy-datchik","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/administrirovanie\/multisensornyj-besprovodnoj-mikro-diy-datchik","title":{"rendered":"Senzoare DIY wireless multisenzoriale","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

DIY, a\u0219a cum spune Wikipedia, este deja de mult timp o subcultur\u0103. \u00cen acest articol vreau s\u0103 \u00eemp\u0103rt\u0103\u0219esc proiectul meu DIY de un mic senzor f\u0103r\u0103 fir multi-senzor, iar acesta va fi o mic\u0103 contribu\u021bie a mea la aceast\u0103 subcultur\u0103. <\/p>\n

Povestea acestui proiect a \u00eenceput cu carcasa, pare dumb, dar exact a\u0219a a \u00eenceput acest proiect. Carcasa a fost achizi\u021bionat\u0103 de pe site-ul AliExpress, trebuie remarcat c\u0103 calitatea turn\u0103rii plasticului pentru aceast\u0103 carcas\u0103 este excelent\u0103. Dup\u0103 o scurt\u0103 coresponden\u021b\u0103 cu v\u00e2nz\u0103torul, pe e-mail a fost trimis un desen, iar acest proiect a \u00eenceput. <\/p>\n

\"Senzoare<\/a><\/noindex>
\n<\/a><\/noindex>
\nDesenul \u00een sine a fost foarte prost dimensionat \u0219i a fost necesar s\u0103 fac m\u0103sur\u0103tori pentru marginile, t\u0103ieturile \u0219i orificiile tehnologice ale viitoarei pl\u0103ci de circuit imprimat cu ajutorul unui compas. Dup\u0103 ce am ob\u021binut toate dimensiunile interioare ale carcasei, a devenit clar c\u0103 cipul radio trebuie 'sudat' direct pe placa de circuit imprimat, deoarece \u00een\u0103l\u021bimea de la partea superioar\u0103 a pl\u0103cii p\u00e2n\u0103 la suprafa\u021ba interioar\u0103 a carcasei era de 1.8 mm, iar \u00een\u0103l\u021bimea minim\u0103 a unui modul radio mediu este de obicei de 2 mm (f\u0103r\u0103 ecran). <\/p>\n

\"Senzoare
\n\"Senzoare
\n\"Senzoare
\nPentru senzor, a fost ales SoC nRF52 \u00een carcas\u0103 QFN48. \u00cen aceast\u0103 carcas\u0103, seria nRF52 de la Nordic are trei variante: nRF52810, nRF52811 (nou) \u0219i nRF52832. Parametrii cipurilor: 64 MHz Cortex-M4, transceiver de 2.4 GHz, 512\/256 KB Flash, 64\/32 KB RAM pentru nRF52832 \u0219i 192 KB Flash, 24 KB RAM pentru nRF52810, nRF52811, cipurile sunt multi-protocol, suport\u0103 Bluetooth Low Energy, Bluetooth mesh, ESB, ANT, iar nRF52811 suport\u0103, pe l\u00e2ng\u0103 cele enumerate, \u0219i Zigbee \u0219i Thread, precum \u0219i Bluetooth Direction Finding. <\/p>\n

\"Senzoare
\nAm decis s\u0103 fac senzorul multi-senzor pentru a putea fi utilizat pentru diferite sarcini. Din acest motiv, aranjarea cipului trebuia s\u0103 fie c\u00e2t mai compact\u0103, av\u00e2nd \u00een vedere c\u0103 dimensiunile minime ale componentelor nu trebuie s\u0103 fie mai mici de 0603, astfel \u00eenc\u00e2t dispozitivul s\u0103 poat\u0103 fi sudat manual. Dup\u0103 ce cipul a fost aranjat pe plac\u0103, m-am ocupat de alegerea senzorilor. Principala considerare \u00een alegere a fost dimensiunea carcasei senzorului \u0219i posibilitatea de sudare a senzorului \u00een condi\u021bii de cas\u0103 cu un minim de echipament (sudor \u0219i usc\u0103tor). <\/p>\n

\"Senzoare
\nPentru senzor, au fost selectate urm\u0103toarele senzori: SHT20, SHt21, Si7020, Si7021, HTU21D (senzor de temperatur\u0103 \u0219i umiditate), to\u021bi ace\u0219ti senzori au un singur corp \u0219i pinii identici, HDC2080 (senzor de temperatur\u0103 \u0219i umiditate) are de asemenea un corp similar cu cele enumerate anterior, dar are un pin suplimentar de \u00eentrerupere, fiind mai eficient din punct de vedere energetic, BME280 (senzor de temperatur\u0103, umiditate \u0219i presiune), LMT01 (senzor de temperatur\u0103), TMP117 (senzor de temperatur\u0103 de \u00eenalt\u0103 precizie), eficien\u021b\u0103 energetic\u0103 ridicat\u0103, pin de \u00eentrerupere, setarea limitelor superioare \u0219i inferioare ale temperaturii, LIS2DW12 (accelerometru) eficien\u021b\u0103 energetic\u0103 ridicat\u0103, unul dintre cei mai buni din segmentul s\u0103u sau LIS2DH12. <\/p>\n

\"Senzoare
\n\"Senzoare
\nDe asemenea, \u00een prima versiune a senzorului a fost inclus un switch Reed, dar \u00een revizuirile ulterioare a fost exclus, deoarece senzorul Reed de 1.6 cm cu bulb de sticl\u0103 nu avea suficient loc, iar c\u00e2\u021biva astfel de senzori s-au spart \u00een timp ce instalam placa gata \u00een carcas\u0103. De asemenea, din cauza formei quadrate a carcasei \u0219i a \u00een\u0103l\u021bimii sale reduse, dispozitivul nu era foarte potrivit pentru rolul de senzor magnetic de deschidere \u0219i \u00eenchidere. <\/p>\n

\"Senzoare
\nPe l\u00e2ng\u0103 senzori, pe senzor sunt amplasate 2 LED-uri, unul dintre ele fiind RGB, situat pe partea inferioar\u0103 a senzorului. Dou\u0103 butoane SMD, unul conectat la resetare, iar al doilea 'utilizator', pentru implementarea unor scenarii de func\u021bionare a senzorului. Corpul senzorului este format din trei p\u0103r\u021bi: corpul principal, o inser\u021bie interioar\u0103 cu o deschidere pentru a \u021bine bateria \u0219i care se fixeaz\u0103 \u00een corpul principal cu patru \u0219uruburi, \u0219i o capac\u0103 inferioar\u0103 care se blocheaz\u0103 \u00een orificiile inser\u021biei interioare. De asemenea, sunt disponibile 4 pini analogici, 2 digitali \u0219i \u00eenc\u0103 doi pini care pot fi antena NFC sau pini digitali, port SWD.<\/p>\n

LED-ul RGB \u0219i butoanele sunt plasate pe placa PCB \u00eentr-un mod care le ofer\u0103 acces deschis c\u00e2nd capacul inferior este \u00eendep\u0103rtat, prin orificiile din inser\u021bia interioar\u0103, care sunt destinate pentru blocarea capacului din spate. <\/p>\n

\"Senzoare
\nDispozitivul a supravie\u021buit la dou\u0103 revizii, de asemenea, anterior pe locul senzorului TMP117 a fost instalat un senzor de iluminare MAX44009, care mai apoi a fost \u00eenlocuit cu un senzor de temperatur\u0103, ambele senzori au acela\u0219i corp, dar pinii diferi\u021bi, poate c\u0103 \u00eenlocuirea a fost o gre\u0219eal\u0103, poate ar trebui s\u0103 revenim. <\/p>\n

\"Senzoare
\n\"Senzoare
\n\"Senzoare
\n\"Senzoare
\nAcum am acas\u0103 4 asemenea dispozitive, dintre care dou\u0103 sunt senzori de temperatur\u0103 \u0219i umiditate cu senzori Si7021 (unul cu nRF52832, cel\u0103lalt cu nRF52811), unul este un senzor de impact realizat pe un accelerometru LIS2DW12 (nRF52810) \u0219i un senzor de control al temperaturii cu senzor LMT01 (nRF52810). <\/p>\n

Senzorul wireless func\u021bioneaz\u0103 cu o baterie cr2032, consumul \u00een modul de repaus este de 1.8\u03bcA pentru nRF52810 \u0219i nRF52811 \u0219i 3.7\u03bcA pentru nRF52832. Consum \u00een modul de transmisie de date 8mA. <\/p>\n

\"Senzoare
\n\"Senzoare
\nDescrierea protocolului utilizat, dezvoltarea software-ului pentru acest senzor pentru diferite scenarii de utilizare cred c\u0103 dep\u0103\u0219e\u0219te limitele acestui articol. <\/p>\n

Testul func\u021bion\u0103rii senzorului cu sistemul de cas\u0103 inteligent\u0103 poate fi v\u0103zut \u00eentr-un scurt videoclip mai jos. <\/p>\n

\r\n \"Reda\u021bi\r\n
<\/div>\r\n <\/div><\/center>
\nProiectul acestui senzor este deschis, toate materialele referitoare la proiect le pute\u021bi ob\u021bine pe site-ul meu. GitHub<\/a><\/noindex><\/b>. <\/p>\n

Dac\u0103 sunte\u021bi interesat de tot ceea ce \u021bine de DIY, sunte\u021bi un dezvoltator DIY sau dori\u021bi doar s\u0103 \u00eencepe\u021bi, v\u0103 invit s\u0103 v\u0103 al\u0103tura\u021bi. chat-ul Telegram \u2014 DIYDEV.<\/a><\/noindex>.<\/p>\n

Tuturor celor care doresc s\u0103 creeze dispozitive, s\u0103 \u00eenceap\u0103 s\u0103 construiasc\u0103 automatizarea casei lor, le propun s\u0103 se familiarizeze cu protocolul simplu de utilizare Mysensors \u2014 chat-ul Telegram. MySensors.<\/a><\/noindex><\/p>\n

\u0218i celor care caut\u0103 solu\u021bii mai avansate pentru automatizarea casei \u00eei invit \u00een chat-ul Telegram. Open Thread.<\/a><\/noindex>. (Ce este Thread?<\/a><\/noindex>)<\/p>\n

V\u0103 mul\u021bumesc pentru aten\u021bie, v\u0103 doresc tuturor bine!<\/p>\n

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

\"Senzoare<\/a><\/noindex>
\n
Sursa: habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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[…]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":96334,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-96333","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Senzor micro DIY wireless multisenzor | ProHoster","description":"DIY, a\u0219a cum spune Wikipedia, este deja de mult timp o subcultur\u0103. \u00cen acest articol vreau s\u0103 \u00eemp\u0103rt\u0103\u0219esc proiectul meu DIY de un mic senzor f\u0103r\u0103 fir multi-senzor, iar acesta va fi o mic\u0103 contribu\u021bie a mea la aceast\u0103 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