Project #29 - DFRobot - Smoke - Mk07

Project #29 - DFRobot - Smoke - Mk07

 

https://www.donluc.com/?p=3887

 

https://youtu.be/Zdi6IrnAPUE

 

#DonLucElectronics #DonLuc #DFRobot #FermionBLESensorBeacon #MEMSSmokeGas #FireBeetle2ESP32E #ESP32 #IoT #Arduino #Project #Fritzing #Programming #Electronics #Microcontrollers #Consultant

 

 

 

 

Smoke

 

Smoke is a suspension of airborne particulates and gases emitted when a material undergoes combustion or pyrolysis, together with the quantity of air that is entrained or otherwise mixed into the mass. It is commonly an unwanted by-product of fires, but may also be used for pest control, communication, defensive and offensive capabilities in the military, cooking, or smoking. It is used in rituals where incense, sage, or resin is burned to produce a smell for spiritual or magical purposes. It can also be a flavoring agent and preservative.

 

Smoke inhalation is the primary cause of death in victims of indoor fires. The smoke kills by a combination of thermal damage, poisoning and pulmonary irritation caused by carbon monoxide, hydrogen cyanide and other combustion products. Smoke is an aerosol of solid particles and liquid droplets that are close to the ideal range of sizes for Mie scattering of visible light.

 

DL2403Mk03

 

1 x DFRobot FireBeetle 2 ESP32-E
1 x Fermion: MEMS Smoke Gas Detection Sensor
1 x Fermion: BLE Sensor Beacon
1 x CR2032 Coin Cell Battery
1 x 1 x Lithium Ion Battery - 1000mAh
1 x Rocker Switch - SPST
1 x Resistor 10K Ohm
1 x SparkFun Serial Basic Breakout - CH340G
1 x SparkFun Cerberus USB Cable
1 x USB 3.1 Cable A to C

 

DFRobot FireBeetle 2 ESP32-E

 

LED - 2
RSW - 17
VIN - +3.3V
GND - GND

 

DL2403Mk03p.ino

CODE
/****** Don Luc Electronics © ******
Software Version Information
Project #29 - DFRobot - Smoke - Mk07
29-07
DL2403Mk03p.ino
1 x DFRobot FireBeetle 2 ESP32-E
1 x Fermion: MEMS Smoke Gas Detection Sensor
1 x Fermion: BLE Sensor Beacon
1 x CR2032 Coin Cell Battery
1 x 1 x Lithium Ion Battery - 1000mAh
1 x Rocker Switch - SPST
1 x Resistor 10K Ohm
1 x SparkFun Serial Basic Breakout - CH340G
1 x SparkFun Cerberus USB Cable
1 x USB 3.1 Cable A to C
*/

// Include the Library Code
// Bluetooth LE keyboard
#include <BleKeyboard.h>
// Arduino
#include <Arduino.h>
// BLE Device
#include <BLEDevice.h>
// BLE Utils
#include <BLEUtils.h>
// BLEScan
#include <BLEScan.h>
// BLE Advertised Device
#include <BLEAdvertisedDevice.h>
// BLE Eddystone URL
#include <BLEEddystoneURL.h>
// BLE Eddystone TLM
#include <BLEEddystoneTLM.h>
// BLE Beacon
#include <BLEBeacon.h>

// ENDIAN_CHANGE
#define ENDIAN_CHANGE_U16(x) ((((x)&0xFF00) >> 8) + (((x)&0xFF) << 8))

// Bluetooth LE Keyboard
BleKeyboard bleKeyboard;
String sKeyboard = "";
// Send Size
byte sendSize = 0;

// Fermion: MEMS Smoke Gas Detection Sensor
float Sensor_Data;
// In seconds
int scanTime = 5;
// BLE Scan
BLEScan *pBLEScan;

// My Advertised Device Callbacks
class MyAdvertisedDeviceCallbacks : public BLEAdvertisedDeviceCallbacks
{

    // onResult
    void onResult(BLEAdvertisedDevice advertisedDevice)
    {
      // Advertised Device
      if (advertisedDevice.haveName())
      {
        // Name: Fermion: Sensor Beacon
        if(String(advertisedDevice.getName().c_str()) == "Smoke Gas"){
          
          // strManufacturerData
          std::string strManufacturerData = advertisedDevice.getManufacturerData();
          uint8_t cManufacturerData[100];
          strManufacturerData.copy((char *)cManufacturerData, strManufacturerData.length(), 0);
          
          // strManufacturerData.length
          for (int i = 0; i < strManufacturerData.length(); i++)
          {

             // cManufacturerData[i]
             cManufacturerData[i];
             
          }

          // Sensor_Data
          Sensor_Data = int(cManufacturerData[2]<<8 | cManufacturerData[3]);
   
        }        
      }
    }
};

// The number of the Rocker Switch pin
int iSwitch = 17;
// Variable for reading the button status
int SwitchState = 0;

// Define LED
int iLED = 2;

// Software Version Information
String sver = "29-07";

void loop() {

  // ScanResults
  isBLEScanResults();

  // Fermion: MEMS Smoke Gas Detection Sensor
  isSmokeGas();

  // Read the state of the Switch value:
  SwitchState = digitalRead(iSwitch);

  // Check if the button is pressed. If it is, the SwitchState is HIGH:
  if (SwitchState == HIGH) {

    // Bluetooth LE Keyboard
    isBluetooth();

  }
  
  // Delay 2 Second
  delay(2000);

}

getBLEScan.ino

CODE
// getBLEScan
// Setup BLE Scan
void isSetupBLEScan(){

  // BLE Device
  BLEDevice::init("");
  // Create new scan
  pBLEScan = BLEDevice::getScan();
  // Set Advertised Device Callbacks
  pBLEScan->setAdvertisedDeviceCallbacks(new MyAdvertisedDeviceCallbacks());
  // Active scan uses more power, but get results faster
  pBLEScan->setActiveScan(true);
  // Set Interval
  pBLEScan->setInterval(100);
  // Less or equal setInterval value
  pBLEScan->setWindow(99);
  
}
// BLE Scan Results
void isBLEScanResults(){

  // Put your main code here, to run repeatedly:
  BLEScanResults foundDevices = pBLEScan->start(scanTime, false);
  // Delete results fromBLEScan buffer to release memory
  pBLEScan->clearResults();
  
}

getBleKeyboard.ino

CODE
// Ble Keyboard
// Bluetooth
// isBluetooth
void isBluetooth() {

  // ESP32 BLE Keyboard
  if(bleKeyboard.isConnected()) {

    // Send Size Length
    sendSize = sKeyboard.length();

    // Send Size, charAt
    for(byte i = 0; i < sendSize+1; i++){

       // Write
       bleKeyboard.write(sKeyboard.charAt(i));
       delay(50);
    
    }
    bleKeyboard.write(KEY_RETURN);

  }

}

getSmokeGas.ino

CODE
// Fermion: MEMS Smoke Gas Detection Sensor
// Smoke Gas
void isSmokeGas(){

  // bleKeyboard (10-1000ppm)
  // DFR|Version|Smoke Gas Detection|*
  sKeyboard = "DFR|" + sver + "|" + String(Sensor_Data) + "|*";

}

setup.ino

CODE
// Setup
void setup()
{

  // Give display time to power on
  delay(100);

  // Bluetooth LE keyboard
  bleKeyboard.begin();

  // Give display time to power on
  delay(100);

  // Setup BLE Scan
  isSetupBLEScan();
  
  // Initialize the Switch pin as an input
  pinMode(iSwitch, INPUT);
  
  // Initialize digital pin iLED as an output
  pinMode(iLED, OUTPUT);
  // Outputting high, the LED turns on
  digitalWrite(iLED, HIGH);

  // Delay 5 Second
  delay( 5000 );

}

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