06-30-2022, 12:54 AM
[Arduino IDE demo source code for KC868-A8S]--#13-KC868-A8S_sms-relay_code
// make sure set your Serial2 pins in your "HardwareSerial.cpp" for ESP32 as follows:
//#define RX2 15
//#define TX2 13
// make sure set your Serial2 pins in your "HardwareSerial.cpp" for ESP32 as follows:
//#define RX2 15
//#define TX2 13
Code:
// code use for KinCony KC868-A8S board
#include "PCF8574.h"
#include <DS18B20.h>
String incomingData;
String message;
const char phone[] = "xxxxxxxxxxx"; // replace with your mobile phone number
DS18B20 ds(14);
// Set i2c address
PCF8574 pcf8574_o(0x24,4,5);
PCF8574 pcf8574_i(0x22,4,5);
void setup() {
pinMode(2, OUTPUT); //beep
Serial.begin(115200);
Serial2.begin(115200);
// set gsm module to tp show the output on serial out
Serial2.print("AT+CNMI=2,2,0,0,0\r");
delay(100);
pcf8574_o.pinMode(P0, OUTPUT);
pcf8574_o.pinMode(P1, OUTPUT);
pcf8574_o.pinMode(P2, OUTPUT);
pcf8574_o.pinMode(P3, OUTPUT);
pcf8574_o.pinMode(P4, OUTPUT);
pcf8574_o.pinMode(P5, OUTPUT);
pcf8574_o.pinMode(P6, OUTPUT);
pcf8574_o.pinMode(P7, OUTPUT);
pcf8574_i.pinMode(P0, INPUT);
pcf8574_i.pinMode(P1, INPUT);
pcf8574_i.pinMode(P2, INPUT);
pcf8574_i.pinMode(P3, INPUT);
pcf8574_i.pinMode(P4, INPUT);
pcf8574_i.pinMode(P5, INPUT);
pcf8574_i.pinMode(P6, INPUT);
pcf8574_i.pinMode(P7, INPUT);
Serial.print("Init pcf8574_output...");
if (pcf8574_o.begin()){
Serial.println("OK");
}else{
Serial.println("KO");
}
Serial.print("Init pcf8574_input...");
if (pcf8574_i.begin()){
Serial.println("OK");
}else{
Serial.println("KO");
}
pcf8574_o.digitalWrite(P0, HIGH);
pcf8574_o.digitalWrite(P1, HIGH);
pcf8574_o.digitalWrite(P2, HIGH);
pcf8574_o.digitalWrite(P3, HIGH);
pcf8574_o.digitalWrite(P4, HIGH);
pcf8574_o.digitalWrite(P5, HIGH);
pcf8574_o.digitalWrite(P6, HIGH);
pcf8574_o.digitalWrite(P7, HIGH);
Serial.print(ds.getTempC());
Serial.print("start test");
Serial2.print("AT+CMGF=1\r"); //Set text mode
/* digitalWrite(2, HIGH);
delay(200);
digitalWrite(2, LOW);
delay(200);
digitalWrite(2, HIGH);
delay(200);
digitalWrite(2, LOW);*/
}
void loop() {
// if received command is to turn on relay
receive_message();
if(incomingData.indexOf("relay1-on")>=0)
{
pcf8574_o.digitalWrite(P0, LOW);
message = "Relay1 is turned ON";
// Send a sms back to confirm that the relay is turned on
send_message(message);
Serial2.println("AT+CMGD=1,4"); //delete all SMS on SIM card
delay(100);
}
// if received command is to turn off relay
if(incomingData.indexOf("relay1-off")>=0)
{
pcf8574_o.digitalWrite(P0, HIGH);
message = "Relay1 is turned OFF";
// Send a sms back to confirm that the relay is turned off
send_message(message);
Serial2.println("AT+CMGD=1,4"); //delete all SMS on SIM card
delay(100);
}
if(incomingData.indexOf("relay2-on")>=0)
{
pcf8574_o.digitalWrite(P1, LOW);
message = "Relay2 is turned ON";
// Send a sms back to confirm that the relay is turned on
send_message(message);
Serial2.println("AT+CMGD=1,4"); //delete all SMS on SIM card
delay(100);
}
// if received command is to turn off relay
if(incomingData.indexOf("relay2-off")>=0)
{
pcf8574_o.digitalWrite(P1, HIGH);
message = "Relay2 is turned OFF";
// Send a sms back to confirm that the relay is turned off
send_message(message);
Serial2.println("AT+CMGD=1,4"); //delete all SMS on SIM card
delay(100);
}
if(incomingData.indexOf("relay3-on")>=0)
{
pcf8574_o.digitalWrite(P2, LOW);
message = "Relay3 is turned ON";
// Send a sms back to confirm that the relay is turned on
send_message(message);
Serial2.println("AT+CMGD=1,4"); //delete all SMS on SIM card
delay(100);
}
// if received command is to turn off relay
if(incomingData.indexOf("relay3-off")>=0)
{
pcf8574_o.digitalWrite(P2, HIGH);
message = "Relay3 is turned OFF";
// Send a sms back to confirm that the relay is turned off
send_message(message);
Serial2.println("AT+CMGD=1,4"); //delete all SMS on SIM card
delay(100);
}
if(incomingData.indexOf("relay4-on")>=0)
{
pcf8574_o.digitalWrite(P3, LOW);
message = "Relay4 is turned ON";
// Send a sms back to confirm that the relay is turned on
send_message(message);
Serial2.println("AT+CMGD=1,4"); //delete all SMS on SIM card
delay(100);
}
// if received command is to turn off relay
if(incomingData.indexOf("relay4-off")>=0)
{
pcf8574_o.digitalWrite(P3, HIGH);
message = "Relay4 is turned OFF";
// Send a sms back to confirm that the relay is turned off
send_message(message);
Serial2.println("AT+CMGD=1,4"); //delete all SMS on SIM card
delay(100);
}
if(incomingData.indexOf("relay5-on")>=0)
{
pcf8574_o.digitalWrite(P4, LOW);
message = "Relay5 is turned ON";
// Send a sms back to confirm that the relay is turned on
send_message(message);
Serial2.println("AT+CMGD=1,4"); //delete all SMS on SIM card
delay(100);
}
// if received command is to turn off relay
if(incomingData.indexOf("relay5-off")>=0)
{
pcf8574_o.digitalWrite(P4, HIGH);
message = "Relay5 is turned OFF";
// Send a sms back to confirm that the relay is turned off
send_message(message);
Serial2.println("AT+CMGD=1,4"); //delete all SMS on SIM card
delay(100);
}
if(incomingData.indexOf("relay6-on")>=0)
{
pcf8574_o.digitalWrite(P5, LOW);
message = "Relay6 is turned ON";
// Send a sms back to confirm that the relay is turned on
send_message(message);
Serial2.println("AT+CMGD=1,4"); //delete all SMS on SIM card
delay(100);
}
// if received command is to turn off relay
if(incomingData.indexOf("relay6-off")>=0)
{
pcf8574_o.digitalWrite(P5, HIGH);
message = "Relay6 is turned OFF";
// Send a sms back to confirm that the relay is turned off
send_message(message);
Serial2.println("AT+CMGD=1,4"); //delete all SMS on SIM card
delay(100);
}
if(incomingData.indexOf("relay7-on")>=0)
{
pcf8574_o.digitalWrite(P6, LOW);
message = "Relay7 is turned ON";
// Send a sms back to confirm that the relay is turned on
send_message(message);
Serial2.println("AT+CMGD=1,4"); //delete all SMS on SIM card
delay(100);
}
// if received command is to turn off relay
if(incomingData.indexOf("relay7-off")>=0)
{
pcf8574_o.digitalWrite(P6, HIGH);
message = "Relay7 is turned OFF";
// Send a sms back to confirm that the relay is turned off
send_message(message);
Serial2.println("AT+CMGD=1,4"); //delete all SMS on SIM card
delay(100);
}
if(incomingData.indexOf("relay8-on")>=0)
{
pcf8574_o.digitalWrite(P7, LOW);
message = "Relay8 is turned ON";
// Send a sms back to confirm that the relay is turned on
send_message(message);
Serial2.println("AT+CMGD=1,4"); //delete all SMS on SIM card
delay(100);
}
// if received command is to turn off relay
if(incomingData.indexOf("relay8-off")>=0)
{
pcf8574_o.digitalWrite(P7, HIGH);
message = "Relay8 is turned OFF";
// Send a sms back to confirm that the relay is turned off
send_message(message);
Serial2.println("AT+CMGD=1,4"); //delete all SMS on SIM card
delay(100);
}
if(incomingData.indexOf("all-on")>=0)
{
pcf8574_o.digitalWrite(P0, LOW);
pcf8574_o.digitalWrite(P1, LOW);
pcf8574_o.digitalWrite(P2, LOW);
pcf8574_o.digitalWrite(P3, LOW);
pcf8574_o.digitalWrite(P4, LOW);
pcf8574_o.digitalWrite(P5, LOW);
pcf8574_o.digitalWrite(P6, LOW);
pcf8574_o.digitalWrite(P7, LOW);
message = "All relay are turned ON";
// Send a sms back to confirm that the relay is turned off
send_message(message);
Serial2.println("AT+CMGD=1,4"); //delete all SMS on SIM card
delay(100);
}
if(incomingData.indexOf("all-off")>=0)
{
pcf8574_o.digitalWrite(P0, HIGH);
pcf8574_o.digitalWrite(P1, HIGH);
pcf8574_o.digitalWrite(P2, HIGH);
pcf8574_o.digitalWrite(P3, HIGH);
pcf8574_o.digitalWrite(P4, HIGH);
pcf8574_o.digitalWrite(P5, HIGH);
pcf8574_o.digitalWrite(P6, HIGH);
pcf8574_o.digitalWrite(P7, HIGH);
message = "All relay are turned OFF";
// Send a sms back to confirm that the relay is turned off
send_message(message);
Serial2.println("AT+CMGD=1,4"); //delete all SMS on SIM card
delay(100);
}
if(incomingData.indexOf("temper")>=0)
{
message = "Temperature is "+String(ds.getTempC(),2)+" C";
send_message(message);
Serial2.println("AT+CMGD=1,4"); //delete all SMS on SIM card
delay(100);
}
incomingData="";
uint8_t val1 = pcf8574_i.digitalRead(P0);
uint8_t val2 = pcf8574_i.digitalRead(P1);
uint8_t val3 = pcf8574_i.digitalRead(P2);
uint8_t val4 = pcf8574_i.digitalRead(P3);
uint8_t val5 = pcf8574_i.digitalRead(P4);
uint8_t val6 = pcf8574_i.digitalRead(P5);
uint8_t val7 = pcf8574_i.digitalRead(P6);
uint8_t val8 = pcf8574_i.digitalRead(P7);
if (val1==LOW)
{
Serial.println("input1 trigger");
pcf8574_o.digitalWrite(P0, LOW);
delay(5000);
pcf8574_o.digitalWrite(P0, HIGH);
message = "door sensor is triggered,someone in the room!";
send_message(message);
delay(100);
}
if (val2==LOW)
{
Serial.println("input2 trigger");
pcf8574_o.digitalWrite(P0, LOW);
delay(5000);
pcf8574_o.digitalWrite(P0, HIGH);
message = "window sensor is triggered,someone in the room!";
send_message(message);
delay(100);
}
if (val3==LOW)
{
Serial.println("input3 trigger");
message = "sensor3 is triggered,someone in the room!";
send_message(message);
delay(100);
}
if (val4==LOW)
{
Serial.println("input4 trigger");
message = "sensor4 is triggered,someone in the room!";
send_message(message);
delay(100);
}
if (val5==LOW)
{
Serial.println("input5 trigger");
message = "sensor5 is triggered,someone in the room!";
send_message(message);
delay(100);
}
if (val6==LOW)
{
Serial.println("input6 trigger");
message = "sensor6 is triggered,someone in the room!";
send_message(message);
delay(100);
}
if (val7==LOW)
{
Serial.println("input7 trigger");
message = "sensor7 is triggered,someone in the room!";
send_message(message);
delay(100);
}
if (val8==LOW)
{
Serial.println("input8 trigger");
message = "sensor8 is triggered,someone in the room!";
send_message(message);
delay(100);
}
delay(200);
}
void receive_message()
{
if (Serial2.available() > 0)
{
incomingData = Serial2.readString(); // Get the data from the serial port.
Serial.print(incomingData);
delay(10);
}
}
void send_message(String message)
{
Serial2.println("AT+CMGF=1"); //Set the GSM Module in Text Mode
delay(100);
Serial2.print("AT+CMGS=\""+String(phone)+"\"\r"); //Send message
delay(100);
Serial2.println(message); // The SMS text you want to send
delay(100);
Serial2.println((char)26); // ASCII code of CTRL+Z
delay(100);
Serial2.println();
delay(100);
}