#include <LiquidCrystal.h>
#include <RH_ASK.h>
#include <SPI.h>
#include <dht.h>
#define DHTxxPIN A0
LiquidCrystal lcd(12,11,5,4,3,2);
RH_ASK driver(2000, 7, 9, 10);
int ack = 0;
dht DHT;
void setup()
{
Serial.begin(9600);
lcd.begin(16,2);
if (!driver.init())
Serial.println("init failed");
}
void loop()
{
ack = 0;
int chk = DHT.read11(DHTxxPIN);
switch (chk)
{
case DHTLIB_ERROR_CONNECT:
ack = 1;
lcd.setCursor(0,0);
lcd.print("INSIDE:");
lcd.print("NO DATA");
delay(1000);
break;
}
if(ack == 0)
{
lcd.setCursor(0,0);
lcd.print("INSIDE:");
lcd.print(DHT.temperature);
lcd.print(" C");
delay(2000);
}
uint8_t buf[RH_ASK_MAX_MESSAGE_LEN];
uint8_t buflen = sizeof(buf);
if (driver.recv(buf, &buflen))
{
int i;
String str = "";
for(i = 0; i < buflen; i++)
{
str += (char)buf[i];
}
lcd.setCursor(0,1);
lcd.print("OUTSIDE:");
lcd.print(str);
Serial.println(str);
delay(2000);
}
}