Created
March 3, 2016 15:36
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#include <dht.h> | |
#include <LiquidCrystal.h> | |
#define DHT11_PIN 8 | |
dht DHT; | |
LiquidCrystal lcd(12, 11, 5, 4, 3, 2); | |
void setup() { | |
lcd.begin(8, 2); | |
Serial.begin(9600); | |
lcd.clear(); | |
} | |
void loop() { | |
lcd.clear(); | |
Serial.print("DHT11, \t"); | |
int chk = DHT.read11(DHT11_PIN); | |
switch (chk) | |
{ | |
case DHTLIB_OK: | |
Serial.print("OK,\t"); | |
break; | |
case DHTLIB_ERROR_CHECKSUM: | |
Serial.print("Checksum error,\t"); | |
break; | |
case DHTLIB_ERROR_TIMEOUT: | |
Serial.print("Time out error,\t"); | |
break; | |
case DHTLIB_ERROR_CONNECT: | |
Serial.print("Connect error,\t"); | |
break; | |
case DHTLIB_ERROR_ACK_L: | |
Serial.print("Ack Low error,\t"); | |
break; | |
case DHTLIB_ERROR_ACK_H: | |
Serial.print("Ack High error,\t"); | |
break; | |
default: | |
Serial.print("Unknown error,\t"); | |
break; | |
} | |
Serial.print(DHT.humidity, 1); | |
Serial.print(",\t"); | |
Serial.println(DHT.temperature, 1); | |
lcd.setCursor(0,0); | |
lcd.print("Tem:"); | |
lcd.print((int) DHT.temperature); | |
lcd.print("C"); | |
lcd.setCursor(0,1); | |
lcd.print("Hum:"); | |
lcd.print((int) DHT.humidity); | |
lcd.print("%"); | |
delay(2000); | |
} | |
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