ATTiny Sketch for Portée/ modules

portee.ino

#include <SoftwareSerial.h>

#define DST_IP "192.168.1.2"
#define DST_PORT 8888

SoftwareSerial serial(3, 4); // RX, TX

int blinkPin = 0;
int vibrationDetectorPin = A1;

bool bConnected = false;

void setup()
{
  delay(1000);
  serial.begin(19200);
  delay(7000);
  
  connect();
  delay(1000);
  
  pinMode(blinkPin, OUTPUT);
  digitalWrite(blinkPin, HIGH);
  
  pinMode(vibrationDetectorPin, INPUT);
}

void loop()
{ 
  int val = digitalRead(vibrationDetectorPin);
  
  if(val == 0) {
    digitalWrite(blinkPin, LOW);
    send();
    
    for(int i=0; i<5; i++) {
      delay(50);
      digitalWrite(blinkPin, HIGH);
      delay(50);
      digitalWrite(blinkPin, LOW);
    }
  } else {
    digitalWrite(blinkPin, HIGH);
  }
  
  delay(1);
}

void connect()
{
  String cmd = "AT+CIPSTART=\"UDP\",\"";
  cmd += DST_IP;
  cmd += "\",";
  cmd += DST_PORT;
  cmd += "\r\n";
  serial.print(cmd);
}

void send()
{ 
  String cmd = "1/";
  serial.print("AT+CIPSEND=");
  serial.print(cmd.length());
  serial.print("\r\n");
  
  delay(10);
  serial.print(cmd);
}