{"id":24,"date":"2025-06-07T22:35:19","date_gmt":"2025-06-07T19:35:19","guid":{"rendered":"https:\/\/programmerimineneondpreadator.wordpress.com\/?page_id=24"},"modified":"2025-06-07T22:35:19","modified_gmt":"2025-06-07T19:35:19","slug":"6-katse","status":"publish","type":"page","link":"https:\/\/nikitagontsarov24.thkit.ee\/wp\/6-katse\/","title":{"rendered":"6 Katse Buzzer"},"content":{"rendered":"\n
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DHT11 ja DHT22 – temperatuuri- ja niiskusandurid Arduino jaoks<\/strong><\/p>\n\n\n\n

\ud83d\udd39 Peamine:
T\u00fc\u00fcbid: DHT11 (eelarve), DHT22 (t\u00e4psem, laiem vahemik)<\/p>\n\n\n\n

Funktsioonid:<\/p>\n\n\n\n

Temperatuuri m\u00f5\u00f5tmine (\u00b0C)<\/p>\n\n\n\n

Niiskuse m\u00f5\u00f5tmine (% RH)<\/p>\n\n\n\n

Andmeedastus: digitaalsignaal \u00fche viigu kaudu<\/p>\n\n\n\n

Vajalikud raamatukogud (Arduino IDE-s):<\/strong>
<\/strong>DHT sensor library by Adafruit<\/strong><\/p>\n\n\n\n

Adafruit Unified Sensor (paigaldatakse automaatselt s\u00f5ltuvusena).<\/p>\n\n\n\n

Paigaldamine:
Sketch > Include Library > Manage Libraries > otsi “DHT sensor library”.<\/p>\n\n\n\n

\ud83d\udccf Spetsifikatsioonid:<\/strong>
<\/strong>DHT11
Temperatuur: 0-50 \u00b0C (\u00b12 \u00b0C)<\/p>\n\n\n\n

Niiskus: 20-90% (\u00b15%)<\/p>\n\n\n\n

Aeglasem, odavam<\/p>\n\n\n\n

DHT22
Temperatuur: -40\u2026+80 \u00b0C (\u00b10,5 \u00b0C)<\/p>\n\n\n\n

Niiskus: 0-100% (\u00b12-5%)<\/p>\n\n\n\n

T\u00e4psem, kallim<\/p>\n\n\n\n

Code<\/strong><\/p>\n\n\n\n

include \/\/ \u00dchenda raamatukogu DHT11\/DHT22-ga t\u00f6\u00f6tamiseks.<\/p>\n\n\n\n

define DHTPIN 2 \/\/ Pin, millele \u00fchendatakse anduri signaal.<\/p>\n\n\n\n

define DHTTYPE DHT11 \/\/ Anduri t\u00fc\u00fcbi m\u00e4\u00e4ramine: DHT11 v\u00f5i DHT22<\/p>\n\n\n\n

DHT dht(DHTPIN, DHTTYPE); \/\/ Loo dht objekt, millel on m\u00e4\u00e4ratud pin ja t\u00fc\u00fcp.<\/p>\n\n\n\n

void setup() {
Serial.begin(9600); \/\/ Andmete v\u00e4ljastamise jadapordi k\u00e4ivitamine
dht.begin(); \/\/ Anduri initsialiseerimine
}<\/p>\n\n\n\n

void loop() {
float temp = dht.readTemperature(); \/\/ Loe temperatuuri (\u00b0C)
float hum = dht.readHumidity(); \/\/ Loe niiskust (% RH)<\/p>\n\n\n\n

if (isnan(temp) || isnan(hum)) { \/\/ Kontrolli: kui lugemine eba\u00f5nnestub
Serial.println(“Lugemisviga!”); \/\/ Teatada veast
return; \/\/ Praeguse iteratsiooni katkestamine
}<\/p>\n\n\n\n

\/\/ Andmete v\u00e4ljastamine portmonitorile
Serial.print(“Temperatuur: “);
Serial.print(temp);
Serial.print(” \u00b0C | Niiskus: “);
Serial.print(hum);
Serial.println(” %”);<\/p>\n\n\n\n

delay(2000); \/\/ Ootame 2 sekundit enne j\u00e4rgmist m\u00f5\u00f5tmist
}<\/p>\n\n\n\n

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