Seat Monitor




Using ARTIK cloud to monitor cabin seat state.

Things used in this project

Hardware components

Arduino MKR1000
Arduino MKR1000
× 1
Realtek Ameba RTL8195 Board
× 1
Piezo Sensor
ControlEverything.com Piezo Sensor
× 1
Seeed Grove – Piezo Vibration Sensor
× 1

Software apps and online services

ARTIK Cloud for IoT
Samsung ARTIK Cloud for IoT

Story

READ  Capturing IMU Data with a BNO055 Absolute Orientation Sensor

seat sensor

Arduino

Ameba RTL8195 Board
/*
 Thanks Ameba Basic MQTT example
 I mark some point I stuck
*/

#include <WiFi.h>
#include <PubSubClient.h>
// Update these with values suitable for your network.

char ssid[] = "ssid";     // your network SSID (name)
char pass[] = "pass";  // your network password
int status  = WL_IDLE_STATUS;    // the Wifi radio's status
//******************************************************************************
//must double check when you copy the code
//******************************************************************************
// MQTT - Artik Cloud Server params
char mqttServer[]     = "api.artik.cloud";
int  mqttPort         = 8883;
char clientId[]       = "seat";
char Device_ID[]   = "Device_ID"; // DEVICE ID
char Device_TOKEN[]   = "Device_TOKEN"; //  DEVICE TOKEN
char publishTopic[]   = "/v1.1/messages/Device_ID";
char subscribeTopic[] = "/v1.1/actions/Device_ID";
char publishPayload[128];

int sensorValue;
int sensorValuetemp;
//******************************************************************************
//must use SSL when MQTT protocol
//******************************************************************************
WiFiSSLClient wifiClient;
PubSubClient client(mqttServer, mqttPort,wifiClient);

void reconnect() {
  // Loop until we're reconnected
  while (!client.connected()) {
    Serial.print("Attempting MQTT connection...");
    // Attempt to connect
    if (client.connect(clientId, Device_ID, Device_TOKEN)) {
      Serial.println("connected");
      // Once connected, publish an announcement...
      client.publish(publishTopic, publishPayload);
      // ... and resubscribe
      client.subscribe(subscribeTopic);
    } else {
      Serial.print("failed, rc=");
      Serial.print(client.state());
      Serial.println(" try again in 5 seconds");
      // Wait 5 seconds before retrying
      delay(5000);
    }
  }
}
void publish(void) //publish seat sensor value to cloud
{
  /*
   * smaple field
   * {"seatvalue":1}
   */
   //creat field data make it short or ARTIK cloud not work
  memset(publishPayload, , sizeof(publishPayload));
  sprintf(publishPayload, "{\"seatvalue\":%d}",sensorValue);
  printf("\t%s\r\n", publishPayload);
  client.publish(publishTopic, publishPayload);
}
void setup()
{
  Serial.begin(38400);

  while (status != WL_CONNECTED) {
    Serial.print("Attempting to connect to SSID: ");
    Serial.println(ssid);
    // Connect to WPA/WPA2 network. Change this line if using open or WEP network:
    status = WiFi.begin(ssid, pass);
    // wait 5 seconds for connection:
    delay(5000);
  }
  reconnect();
  Serial.println("initial sensorValue");
  Serial.println(sensorValue);
  // Allow the hardware to sort itself out
  delay(1500);
}

void loop()
{
  
  if (!client.connected()) { //check connect state and reconnect
    reconnect();
  }
  for (int i =; i<10;i++)
  { // delay 1 Mnts
   client.loop();
   sensorValue = analogRead(A0); //read sensor value
   Serial.println(sensorValue);
   if(sensorValue!=sensorValuetemp) //publish when sensorValue change
   {
      publish();
      sensorValuetemp = sensorValue; //save current sensor value
   }
    Serial.println(publishPayload);
    delay(6000);
  }  
}
READ  Arduino Controlled ATX Power Supply

 

Source : Seat Monitor




Leave a Comment

*
= 4 + 5

(Spamcheck Enabled)

Read previous post:
Contactless Controlled Automatic Wardrobe LED Light
Contactless Controlled Automatic Wardrobe LED Light

Contact-less controlled automatic wardrobe light turns on the LED when you open the wardrobe door. Τhe project is based on...

Close
Scroll to top