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Kevin Flores
Published © GPL3+

THOR Smart Room Controller

THOR is a STEM toy designed to read temperature and humidity that triggers an alert for a "danger zone" curbing Black Mold growth.

IntermediateFull instructions providedOver 1 day397
THOR Smart Room Controller

Things used in this project

Hardware components

Temp&Humi&Barometer Sensor (BME280)
Seeed Studio Temp&Humi&Barometer Sensor (BME280)
×1
Teensy 3.1
Teensy 3.1
×1
Capacitive Touch Sensor Breakout - MPR121
Adafruit Capacitive Touch Sensor Breakout - MPR121
×1
NeoPixel Ring: WS2812 5050 RGB LED
Adafruit NeoPixel Ring: WS2812 5050 RGB LED
×1
Arduino MP3 Shield
Adafruit Arduino MP3 Shield
×1
Adafruit Monochrome 1.3" 128x64 OLED graphic display
×1
WIZ820io Ethernet Port
×1

Software apps and online services

Arduino IDE
Arduino IDE
On Shape CAD Modeling
Cura Slicer for 3D Printing
Adobe Illustrator

Hand tools and fabrication machines

Ultimaker 3
Metal Lathe
Soldering iron (generic)
Soldering iron (generic)
Drill / Driver, 20V
Drill / Driver, 20V
Laser cutter (generic)
Laser cutter (generic)

Story

Read more

Custom parts and enclosures

THOR SRC Schematic

Fritizing for the THOR SRC

THOR SRC Fritzing

THOR Wiring diagram

THOR 1 CAD Files

CAD modeling from On Shape

THOR 2 CAD File

Used to print in Ultimaker 3

Code

SRC THOR

C/C++
Code created for the THOR Smart Room Controller.
/*
* Project Smart Room Controller
* Description:  Detects "danger zone" for climate to curb the growth of b* black mold utilizing sensors and smart lights/outlets.
* 
*Author: Kevin Flores
* Date: July 2022
*/

#include <Ethernet.h>
#include <mac.h>
#include <hue.h>
#include <wemo.h>
#include <Wire.h>
#include <SPI.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <Adafruit_BME280.h>
#include <OneButton.h>
#include <colors.h>  //adding installed library
#include <Adafruit_NeoPixel.h>  //adding installed library
#include "Arduino.h"
#include "DFRobotDFPlayerMini.h"

const int SCREEN_WIDTH = 128;
const int SCREEN_HEIGHT = 64;
const int OLED_RESET = -1;
const int SCREEN_ADDRESS = 0x3C;
const int LOGO_HEIGHT = 64;
const int LOGO_WIDTH = 128;
const int PIXELPIN = 17; //declare pixel pin as 17
const int PIXELCOUNT = 12; //declare 12 pixels
const int BUTTONPIN = 4; 
const int ETHERIN = 12;
const int ETHEROUT = 11;
const int RESET = 9; 
const int CHIPSET = 10;

// 'THOR Logo Inverse', 128x64px
const unsigned char myBitmap [] PROGMEM = {
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};

int i;  //declaring an variable for my 'for' loop
int timer2; //declaring a variable for timer
int inputValue;
int myWemo[] = {0,1,2,3,4};

float tempC, pressPA, humidRH, tempF, inHG, currentTempF, lastTemp, lastHG;

DFRobotDFPlayerMini myDFPlayer;
void printDetail(uint8_t type, int value);
bool status, enableMusicPlayer, buttonState, buttonState2, onoff, blinker;
byte thisbyte;

Adafruit_NeoPixel pixel(12, 17, NEO_GRB + NEO_KHZ800);  //declaring my object
OneButton button1(23, false, INPUT);  //object defined as pin 23, circuit is Input pull down, and button is considered an input 
OneButton button2(4, false, INPUT); //object defined as pin 23, circuit is pull down with 10KOhm resistor, and button is considered an input 
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET); 
Adafruit_BME280 bme;

void setup() {
  button1.attachClick(click1); //initializing the object
  button1.setClickTicks(500); //setting timer on clicks off
  button1.setPressTicks(1500); //setting timer on click ticks on
  buttonState = false;  //the button state is set to off initialilly
  button2.attachClick(click2); //initializing the object
  button2.attachLongPressStart(longPressStart1);
  button2.setClickTicks(500);
  button2.setPressTicks(2000);
  buttonState2 = false; 
  pixel.begin();  //pixel begin
  pinMode(PIXELPIN, OUTPUT);  //use PIXELPIN as an output
  pixel.setBrightness(200); //set brightness to just below max (255)
  pixel.show(); //initializing all as of
  Serial1.begin(9600);
  Serial.begin(9600);
  pinMode(10, OUTPUT);
  digitalWrite(10, HIGH);

  Ethernet.begin(mac);
  delay(2000);          //ensure Serial Monitor is up and running           
  //printIP();
  Serial.printf("LinkStatus: %i  \n",Ethernet.linkStatus());

  display.begin(SCREEN_ADDRESS);
  //while(!Serial); //leaving in for test option
  status = bme.begin(0x76);
  
        if (status == false) {
          Serial.printf("BME280 at address 0x%02X failed to start \n", 0x76);
        }
        
        if(!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
          Serial.printf("SSD1306 allocation failed");
        
        for(;;); // Don't proceed, loop forever
        }
        
  Serial.printf("");
  Serial.printf("DFRobot DFPlayer Mini Demo");
  Serial.printf("Initializing DFPlayer ... (May take 3~5 seconds)");
  
    for (int i = 0; i < 5; i++) {
      enableMusicPlayer = myDFPlayer.begin(Serial1);
      delay(200);
    if (enableMusicPlayer) {
      break;
      }
    }
    
  delay(2000);
  Serial.printf("DFPlayer Mini online.");
  
  myDFPlayer.volume(10);  //Set volume value. From 0 to 30
  myDFPlayer.play(1);  //Play the first mp3
}

void loop() {
  if (millis() - timer2 > 5000) {
    testdrawbitmap();
  }
  
  if (millis() - timer2 > 5000) {
    touchSensorBegin();
  }
  
  checkWemo();
  static unsigned long timer;
    if (millis() - timer > 10000) {
    timer = millis();
  }
  
  if (myDFPlayer.available()) {
    printDetail(myDFPlayer.readType(), myDFPlayer.read()); //Print the detail message from DFPlayer to handle different errors and states.
  }
  
  if (millis() - timer2 > 20000) {
    checkBMEHue ();
    testdrawstyles();
    timer2 = millis();
  }
}

void touchSensorBegin (void){  
  button1.tick();
  
  if (buttonState == true){
      for (i = 0; i < 12; i = i + 1) {  //telling LED use 0 -12 when incrementing lights
        //pixel.clear();
        pixel.setPixelColor(i+1, maize);   //setting pixel color as maize and blue is equal to the remainder of the div
        pixel.setPixelColor(i+2, blue);
        pixel.setPixelColor(i+3, maize);
        pixel.show();
        delay(10);
        Serial.printf("Button single click /n");
      }
    
      for (i = 12; i > 0; i = i - 1) {
        pixel.clear();
        pixel.setPixelColor(i+1, blue);   //setting pixel color 
        pixel.setPixelColor(i+2, maize);
        pixel.show();
        delay(10);
        Serial.printf("Button single click false /n");
      }
    }
}


void printDetail(uint8_t type, int value){
  switch (type) {
    case TimeOut:
      Serial.println(F("Time Out!"));
      break;
    case WrongStack:
      Serial.println(F("Stack Wrong!"));
      break;
    case DFPlayerCardInserted:
      Serial.println(F("Card Inserted!"));
      break;
    case DFPlayerCardRemoved:
      Serial.println(F("Card Removed!"));
      break;
    case DFPlayerCardOnline:
      Serial.println(F("Card Online!"));
      break;
    case DFPlayerUSBInserted:
      Serial.println("USB Inserted!");
      break;
    case DFPlayerUSBRemoved:
      Serial.println("USB Removed!");
      break;
    case DFPlayerPlayFinished:
      Serial.print(F("Number:"));
      Serial.print(value);
      Serial.println(F(" Play Finished!"));
      break;
    case DFPlayerError:
      Serial.print(F("DFPlayerError:"));
      switch (value) {
        case Busy:
          Serial.println(F("Card not found"));
          break;
        case Sleeping:
          Serial.println(F("Sleeping"));
          break;
        case SerialWrongStack:
          Serial.println(F("Get Wrong Stack"));
          break;
        case CheckSumNotMatch:
          Serial.println(F("Check Sum Not Match"));
          break;
        case FileIndexOut:
          Serial.println(F("File Index Out of Bound"));
          break;
        case FileMismatch:
          Serial.println(F("Cannot Find File"));
          break;
        case Advertise:
          Serial.println(F("In Advertise"));
          break;
        default:
          break;
      }
      break;
      default:
      break;
  }
  
}

void checkWemo (void) {
int myButton;
button2.tick();  //check the state of the button
inputValue = digitalRead(myButton);
Serial.printf("%i \n", inputValue);
}

void click1() {  //function that is going to tell Serial printf to log clicks on and off
  buttonState = !buttonState; //toggling buttonState
}

void click2() {  //function that is going to tell Serial printf to log clicks on and off
  buttonState2 = !buttonState2;
      if (buttonState2 == true) {
      switchON(myWemo[2]);
      Serial.printf("Hello Wemo %i /n", myWemo);
      }      
          else {
            switchOFF(myWemo[2]);
            Serial.printf("Bye Wemo %i /n", myWemo);
          }
}

void longPressStart1() {
  buttonState2 = !buttonState2;
        if (buttonState2 == true) {
      switchON(myWemo[3]);
      Serial.printf("Hello Wemo %i /n", myWemo);
      }      
          else {
            switchOFF(myWemo[3]);
            Serial.printf("Bye Wemo %i /n", myWemo);
          }
  Serial.printf("Button double click /n");
}

void checkBMEHue (void) {
  
  setHue(3,true,HueBlue,255,255);
  Serial.printf("Get Hue Data: ");
  getHue(3);
  setHue(3,false,0,0,0);

  tempC = bme.readTemperature();
  pressPA = bme.readPressure();
  humidRH = bme.readHumidity();
  tempF = tempC*9/5+32;
  inHG = pressPA/3386; 
  Serial.printf("%f, %f, %f \n", tempF, inHG, humidRH);

        if (tempF > 80.00) {
          setHue(1,true,HueBlue,255,255);
          setHue(2,true,HueBlue,255,255);
          setHue(3,true,HueBlue,255,255);
          Serial.printf("Get Hue Data: ");
          display.display();
          Serial.printf("%f, %f \n", tempF, lastTemp);
          lastTemp = tempF;
        }
            else {
              setHue(1, false, 0, 0, 0);
              setHue(2, false, 0, 0, 0);
              setHue(3, false, 0, 0, 0);
            }
        
          if (inHG != lastHG) {
            setHue(4,true,HueGreen,255,255);
            setHue(5,true,HueGreen,255,255);
            setHue(6,true,HueViolet,255,255);
            Serial.printf("Get Hue Data: ");
            Serial.printf("%f, %f \n", inHG, lastHG);
            lastHG = inHG;
          }
            else {
              setHue(4, false, 0, 0, 0);
              setHue(5, false, 0, 0, 0);
              setHue(6, false, 0, 0, 0);
            }
            
            if (inHG > 60.00) {
            setHue(6,true,HueViolet,255,255);
            Serial.printf("Get Hue Data: ");
            Serial.printf("%f, %f \n", inHG, lastHG);
            lastHG = inHG;
          }
            else {
              setHue(6, false, 0, 0, 0);
            }
}

void testdrawstyles(void) {
  display.clearDisplay();
  display.setTextSize(1);  //Draw 5x-scale text
  display.setTextColor(SSD1306_WHITE);  
  display.setCursor(10, 0);
  display.printf("Temperature:", tempF);
  display.display();

  display.setTextSize(1);  //Draw 5x-scale text
  display.setTextColor(SSD1306_WHITE);  
  display.setCursor(10, 10);
  display.printf("%f", tempF);
  display.display();

  display.setTextSize(.5);  //Draw 5x-scale text
  display.setTextColor(SSD1306_WHITE);  
  display.setCursor(10, 20);
  display.printf("Humidity:");
  display.display();

  display.setTextSize(1);  //Draw 5x-scale text
  display.setTextColor(SSD1306_WHITE);  
  display.setCursor(10, 30);
  display.printf("%f", humidRH);
  display.display();

  display.setTextSize(.5);  //Draw 5x-scale text
  display.setTextColor(SSD1306_WHITE);  
  display.setCursor(10, 40);
  display.printf("Barometric Pressure:");
  display.display();

  display.setTextSize(.5);  //Draw 5x-scale text
  display.setTextColor(SSD1306_WHITE);  
  display.setCursor(10, 50);
  display.printf("%f", humidRH);
  display.display();
  }

void testdrawbitmap(void) {
  display.clearDisplay();
  display.drawBitmap(
    (display.width()  - LOGO_WIDTH )/2,
    (display.height() - LOGO_HEIGHT)/2,
    myBitmap, LOGO_WIDTH, LOGO_HEIGHT, 1);
  display.display();
}

void printIP() {
  Serial.printf("My IP address: ");
    for (byte thisByte = 0; thisByte < 3; thisByte++) {
      Serial.printf("%i.",Ethernet.localIP()[thisByte]);
    }
  Serial.printf("%i\n",Ethernet.localIP()[3]);
}

Credits

Kevin Flores
3 projects • 12 followers
Experienced Leader with 24 yrs of experience in PMP. Now submerged in the world of IoT. Excited to levy knowledge of Rapid Prototyping.

Comments

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