dht datchigi
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![0; tccr0=0x00;tcnt0=0x00; tccr1a=0x00;tccr1b=0x00; tcnt1h=0x00;tcnt1l=0x00; icr1h=0x00;icr1l=0x00; ocr1ah=0x00;ocr1al=0x00; ocr1bh=0x00;ocr1bl=0x00; assr=0x00;tccr2=0x00;tcnt2=0x00;ocr2=0x00; mcucr=0x00;timsk=0x00;ucsrb=0x00;acsr=0x80;sfior=0x00;adcsra=0x00;twcr=0x00; lcd_init(16);lcd_clear();lcd_puts("test"); while (1) {dht_ddr = 1; dht_out = 1; delay_ms(200); gethumidity(); sprintf(lcd_buffer,"vlaznost' %d",data[0]); lcd_clear(); lcd_puts(lcd_buffer); sprintf(lcd_buffer,"temperatyra %d",data[2]); lcd_gotoxy(0, 1); lcd_puts(lcd_buffer);}} image1.png image2.png image3.png](/media/previews/pages/preview_LwUtFnr.webp "dht datchigi - 2-sahifa")
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code visionavr kompilyatorida temperature datchigini boshqarish temperatura va namlik inson hayoti davomida, ishlab chiqarishda eng ko’p o’lchanadigan fizik kattaliklar sirasiga kiradi. haqiqatdan ham juda ko’p jarayonlarda ular haqida ma’lumot olmay turib ish bajara olmaymiz. ularni o’lchash uchun esa juda ko’p datchik, asboblar ishlatiladi. bugungi darsimizda biz ular orasidan dht datchigini ishlatishni , dastur yordamida uni boshqa qurilma, datchiklar bilan bog’lashni o’rganamiz. dht datchigi bir paytda temperatura va namlikni o’lchaydi. u 2ta asosiy qismdan tashkil topgan: namlikning sig’im datchigi va termistor. shuningdek , korpusda analog signalni raqamliga o’tkazish uchun chip o’rnatilgan. dht datchigining ikki xil turi bor: dht11 va dht22 . ularning xarakteristikalari bilan tanish...
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