lm335 harorat sensori

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3-amaliy mashg’ulot harorat datchiklari ishlash tamoillarini o‘rganish va ularni ishlatishga misollar. ishdan maqsad: lm335 harorat datchigini ishlashi tamoilini arduino platformasida ishlasi bilan tanishish. kerakli komponentlar: • arduino uno platformasi; • breadboard; • lm335 harorat sensori; • qarshilik 2,2 kom; • rgb yorug’lik diodi; • qarshilik 220 ohm-3 dona; •ulovchi simlar. ishni bajarish uchun lm335 harorat datchigini arduino platformasia ulang va dasturini kiriting , vbb dasturida tmp36 yoki tmp35 harorat datchiginini ishlash sxemasi va dasturini kiriting natijani oling. lm335 -40 ° c dan +100 ° c gacha bo‘lgan va 1 ° c aniqlikdagi arzon narxlardagi haroratni o‘lchash elementi. ishlash printsipiga ko‘ra, lm335 sensori zener diyotidir, unda stabilizatsiya kuchlanishi haroratga bog'liq. harorat bir daraja kelvinga ko‘tarilganda, stabilizatsiya kuchlanishi 10 millivoltga oshadi. haroratni o‘lchash uchun 2 ta sim ishlatiladi, uchinchisi sensorni kalibrlash uchun kerak. lm335 sensoridan foydalanishga misol sifatida keling, rgb led-da atrof-muhit harorati ko‘rsatkichini yarataylik. ulanish diagrammasi rasmda ko‘rsatilgan. 15.1 eskiz chizishni …

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$un int min_t=20; // pastki chegara int max_t=30; // yuqori chegara int val = 0; void setup() { // led pinlarini output sifatida sozlang pinmode(red,output); pinmode(green,output); pinmode(blue,output); } void loop() { double val = analogread(lm335); // o‘qish double voltage = val*5.0/1024; // voltga aylantirish double temp = voltage*100 - 273.15; // selsiy gradusgacha serial.print(" temp = "); serial.println(temp); if(temp min_t) // qizil rgb led rangi setrgb(1,0,0); else // sariq rgb led rangi setrgb(1,0,0); delay(1000); // keyingi o‘lchovdan oldin pauza qiling } // rgb led rangini sozlash void setrgb(int r, int g, int b) { digitalwrite(red,r); digitalwrite(green,g); digitalwrite(blue,b); } ulanish tartibi: 1. lm335 sensori va rgb-ledni rasmdagi diagrammaga muvofiq ulaymiz. 2. listing 15.1 dan eskizni arduino platasiga yuklang. 3. biz arduino ide seriyali portining monitoridagi harorat qiymatlarining chiqishini ko‘rib chiqamiz, rgb-led haroratning qulaylik oralig'ini ko‘rsatadi. hisobot mazmuni 1. amaliy ishi mavzusi va ishdan maqsad. 2. mashg’ulot bo‘yicha nazariy bilim va ko‘nikmalar. …$

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3-amaliy mashg’ulot harorat datchiklari ishlash tamoillarini o‘rganish va ularni ishlatishga misollar. ishdan maqsad: lm335 harorat datchigini ishlashi tamoilini arduino platformasida ishlasi bilan tanishish. kerakli komponentlar: • arduino uno platformasi; • breadboard; • lm335 harorat sensori; • qarshilik 2,2 kom; • rgb yorug’lik diodi; • qarshilik 220 ohm-3 dona; •ulovchi simlar. ishni bajarish uchun lm335 harorat datchigini arduino platformasia ulang va dasturini kiriting , vbb dasturida tmp36 yoki tmp35 harorat datchiginini ishlash sxemasi va dasturini kiriting natijani oling. lm335 -40 ° c dan +100 ° c gacha bo‘lgan va 1 ° c aniqlikdagi arzon narxlardagi haroratni o‘lchash elementi. ishlash printsipiga ko‘ra, lm335 sensori zener diyotidir, unda stabilizatsiya kuchlanishi haroratga bo...

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