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SmartFarm.ino
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SmartFarm.ino
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#include <SoftwareSerial.h>
#include <Servo.h>
#include <stdlib.h>
#define DEBUG true
//soil moisture sensor
int SENSE= 0; // Soil Sensor input at Analog PIN A0
int value= 0;
SoftwareSerial ser(10,11); // RX, TX
int pmoist = 0;
int prevmoist = 500;
String hostserver = "192.168.43.231";
//servo
Servo myservo;
int pos;
void setup() {
Serial.begin(115200);
ser.begin(115200);
connectWifi();
myservo.attach(9);
Serial.println("SOIL MOISTURE SENSOR");
Serial.println("-----------------------------");
}
void loop() {
value= analogRead(SENSE);
Serial.println("VALUE: ");
Serial.println(value);
if (value >1000) {
pmoist = 0;
}
else {
if (value < 300) {
pmoist = 100;
}
else {
pmoist = (1000-value)/7;
}
}
Serial.println("percentage: ");
Serial.println(pmoist);
if(value<=650)
{
Serial.println ("MOIST");
if (prevmoist > 650) {
tutup();
}
}
else
{
Serial.println ("NOT MOIST");
if (prevmoist <= 650) {
buka();
}
}
char buf[16];
String strM = dtostrf(pmoist, 2, 1, buf);
sendData(strM);
prevmoist = value;
delay(5000);
if (Serial.available() > 0)
{
char ch = ser.read();
ser.print(ch);
}
if (ser.available() > 0)
{
char ch = ser.read();
Serial.print(ch);
}
delay(1000); //gaboleh diilangin!
}
//-------------------------------------------------------------------------------------------------
void connectWifi()
{
//Set-wifi
Serial.print("Restart Module...\n");
sendCommand("AT+RST\r\n",2000,DEBUG); // reset module
delay(5000);
Serial.print("Set wifi mode : STA...\n");
sendCommand("AT+CWMODE=1\r\n",1000,DEBUG); // configure as access point
delay(5000);
Serial.print("Connect to access point...\n");
sendCommand("AT+CWJAP=\"Alicia\",\"cfjr6533\"\r\n",3000,DEBUG);
delay(5000);
Serial.print("Check IP Address...\n");
sendCommand("AT+CIFSR\r\n",1000,DEBUG); // get ip address
delay(5000);
// sendCommand("AT+CIPMUX=1\r\n",1000,DEBUG); // configure for multiple connections
// sendCommand("AT+CIPSERVER=1,80\r\n",1000,DEBUG); // turn on server on port 80
/* String cmd = "AT+CIPSTART=\"TCP\",\"";
cmd += HOST;
cmd += "\",80\r\n";
sendCommand(cmd,1000,DEBUG);*/
delay(2000);
}
//-------------------------------------------------------------------------------------------------
String sendCommand(String command, const int timeout, boolean debug)
{
String response = "";
ser.print(command); // send the read character to the esp8266
long int time = millis();
while( (time+timeout) > millis())
{
while(ser.available())
{
// The esp has data so display its output to the serial window
char c = ser.read(); // read the next character.
response+=c;
}
}
if(debug)
{
Serial.print(response);
}
return response;
}
//-------------------------------------------------------------------------------------------------
void sendData(String data)
{
//if (Serial1.find("CLOSE") )
{
String cmd = "AT+CIPSTART=\"TCP\",\"";
cmd += hostserver;
cmd += "\",81\r\n";
sendCommand(cmd,1000,DEBUG);
delay(2000);
}
String cmd2 = "GET /IMKA/server.php?moist="; // Link ke skrip PHP
cmd2 += data;
cmd2 += " HTTP/1.1\r\n";
cmd2 += "Host: ";
cmd2 += hostserver;
cmd2 += "\r\n\r\n\r\n";;
String pjg="AT+CIPSEND=";
pjg += cmd2.length();
pjg += "\r\n";
sendCommand(pjg,1000,DEBUG);
delay(500);
sendCommand(cmd2,1000,DEBUG);
delay(5000);
}
//-------------------------------------------------------------------------------------------------
void buka() {
for (pos = 0; pos <90; pos+= 1) {
myservo.write(pos);
delay(15);
}
}
//-------------------------------------------------------------------------------------------------
void tutup() {
for (pos = 90; pos >=1; pos-= 1) {
myservo.write(pos);
delay(15);
}
}