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@Naesstrom
Created February 9, 2016 14:17
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#include <ThingSpeak.h>
#include<stdlib.h>
#include <SoftwareSerial.h>
#include <OneWire.h>
#include <DallasTemperature.h>
#define ONE_WIRE_BUS 2
OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);
#define SSID "PROELEV"
#define PASS "sokrates"
#define IP "184.106.153.149" // thingspeak.com
String GET = "GET /update?key=EJDYWD3337D5K3ZY&field1=";
SoftwareSerial monitor(10, 11); // RX, TX
void setup()
{
monitor.begin(9600);
Serial.begin(9600);
sensors.begin();
sendDebug("AT");
delay(5000);
if(Serial.find("OK")){
monitor.println("RECEIVED: OK");
connectWiFi();
}
}
void loop(){
sensors.requestTemperatures();
float tempC = sensors.getTempCByIndex(0);
tempC = DallasTemperature::toFahrenheit(tempC);
char buffer[10];
String tempF = dtostrf(tempC, 4, 1, buffer);
updateTemp(tempF);
delay(60000);
}
void updateTemp(String tenmpF){
String cmd = "AT+CIPSTART=\"TCP\",\"";
cmd += IP;
cmd += "\",80";
sendDebug(cmd);
delay(2000);
if(Serial.find("Error")){
monitor.print("RECEIVED: Error");
return;
}
cmd = GET;
cmd += tenmpF;
cmd += "\r\n";
Serial.print("AT+CIPSEND=");
Serial.println(cmd.length());
if(Serial.find(">")){
monitor.print(">");
monitor.print(cmd);
Serial.print(cmd);
}else{
sendDebug("AT+CIPCLOSE");
}
if(Serial.find("OK")){
monitor.println("RECEIVED: OK");
}else{
monitor.println("RECEIVED: Error");
}
}
void sendDebug(String cmd){
monitor.print("SEND: ");
monitor.println(cmd);
Serial.println(cmd);
}
boolean connectWiFi(){
Serial.println("AT+CWMODE=1");
delay(2000);
String cmd="AT+CWJAP=\"";
cmd+=SSID;
cmd+="\",\"";
cmd+=PASS;
cmd+="\"";
sendDebug(cmd);
delay(5000);
if(Serial.find("OK")){
monitor.println("RECEIVED: OK");
return true;
}else{
monitor.println("RECEIVED: Error");
return false;
}
}
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