Assistente de Alzheimer

Ferramentas e máquinas necessárias

Ferro de soldar (genérico)

Aplicativos e serviços online

	Arduino IDE
	Blynk
	Serviço IFTTT Maker

Sobre este projeto

• Lembrar o paciente de realizar tarefas, ele / ela tem que fazer diariamente (como medicamentos, exercícios, etc)
• Monitore onde o paciente está na casa
• Alerte os cuidadores em caso de emergência de qualquer tipo
• Mostre a hora (afinal, é um relógio!)
• Deve ser portátil e fácil de usar, mesmo para um paciente idoso
• O custo deve ser mínimo

• Sensor Hub Nano da Infineon
• Arduino MKR1000
• Módulo Bluetooth HC-05
• Tela Nokia 5110

Como funciona

  $ start_sensor id =1 // Para iniciar o fluxo de dados do sensor  

  $ hello id =// Olá 
 $ info id =// Informação 
 $ sinfo id =1 // Informação do sensor 
 $ set_mode sid =1; md =modo; val =bg // Baixa energia 
 $ set_mode sid =1; md =prs_osr; val =16 // Modo padrão 
 $ set_mode sid =1; md =prs_mr; val =32 // Alta precisão 
 $ start_sensor id =1 // Iniciar 
 $ stop id =// Parar  

  $ 1, t, 36.9299,1154206 // Temperatura 
 $ 1, p, 997.6813,1154206 // Pressão 
 $ 1, a, 130.4305,1154206 // Altitude  

  void getSensorValues ​​() {
 // Recupera os valores do sensor do Sensor Hub Nano através da porta Serial1 
 String junkVal; 
 if (Serial1.available ()) {
 junkVal =Serial1.readStringUntil ('\ n'); 
 junkVal =Serial1.readStringUntil ('t'); 
 t =Serial1.parseFloat (); 
 junkVal =Serial1.readStringUntil ('p'); 
 p =Serial1.parseFloat (); 
 junkVal =Serial1.readStringUntil ('a'); 
 a =Serial1.parseFloat (); 
 junkVal =Serial1.readStringUntil ('\ n'); 
} 
}  

Configurando o módulo bluetooth

  // Esboço original do blog de Martyn Currey aqui:
 // http://www.martyncurrey.com/arduino-with-hc-05-bluetooth-module-at-mode/ 
 // 
 // Sketch modificado por mim para funcionar com o Arduino MKR1000! 
 // 
 // Esboço Bluetooth básico 
 // Conecte o módulo HC-05 e comunique-se usando o monitor serial 
 // 
 // Os padrões do HC-05 para o modo de cominação quando ligado pela primeira vez. 
 // Precisa ser colocado no modo AT 
 // Após um reset de fábrica, a taxa de transmissão padrão para o modo de comunicação é 38400 
 char c =''; 
 void setup () {
 // inicia a comunicação serial com o computador host 
 Serial.begin (9600); 
 Serial.println ("Arduino com HC-05 está pronto"); 
 // iniciar a comunicação com o HC-05 usando 38400 
 Serial1.begin (38400); 
 Serial.println ("Serial1 iniciado em 38400"); 
} 
 void loop () {
 // Continue lendo HC-05 e envie para o Monitor Serial Arduino 
 if (Serial1.available ()) 
 {
 c =Serial1.read (); 
 Serial.write (c); 
} 
 // Continue lendo do Arduino Serial Monitor e envie para HC-05 
 if (Serial.available ()) 
 {
 c =Serial.read ( ); 
 // espelha os comandos de volta para o monitor serial 
 // torna mais fácil seguir os comandos 
 Serial.write (c); 
 Serial1.write (c); 
} 
}  

• Desconecte a alimentação do módulo. (As linhas TX e RX ainda estão conectadas!)
• Pressione e segure o botão switch no módulo fechado
• Ligue a alimentação enquanto mantém pressionada a chave do botão
• Quando o LED acender, solte o botão

• Exclua todos os dispositivos atualmente emparelhados
• Obtenha-o para se conectar apenas a um endereço Bluetooth MAC especificado
• Defina o modo de conexão bluetooth para ‘Mestre’
• Especifique o endereço MAC ao qual precisamos para nos conectar
• Defina a taxa de transmissão para 115200, o bit de parada deve ser de 2 bits e paridade uniforme

• AT + RMAAD
• AT + CMODE =0
• AT + ROLE =1
• AT + BIND =1234,56, abcdef (Substitua pelo endereço MAC do Hub do Sensor Nano)
• AT + UART =115200,0,0

Testando o projeto básico

• Blynk , para conectá-lo ao seu smartphone
• u8g2lib , para a tela

Personalização do assistente de Alzheimer

  if (t> maxTemp) {
 // Faça o que quiser se a temperatura estiver acima do máximo 
} 
 else {
 // Faça o que quiser se a temperatura for inferior ao máximo 
}  

  void emailOnButtonPress () 
 {
 // *** AVISO:Você está limitado a enviar APENAS UM E-MAIL POR 15 SEGUNDOS! *** 
 // Vamos enviar um e-mail quando você pressionar o botão 
 // conectado ao pino digital 2 em seu Arduino 
 int isButtonPressed =! digitalRead (2); // Inverte o estado, já que o botão está "Ativo BAIXO" 
 if (isButtonPressed) // Você pode escrever qualquer condição para acionar o envio de e-mail 
 {
 Serial.println ("O botão está pressionado . "); // Isso pode ser visto no Monitor Serial 
 Blynk.email ("[email protected]", "Assunto:Registrador de Botão", "Você acabou de apertar o botão ..."); 
 // Ou, se você deseja usar o e-mail especificado no aplicativo (como para exportação de aplicativo):
 //Blynk.email("Subject:Button Logger "," Você acabou de apertar o botão. .. "); 
} 
}  

void showSensorValues() { 
 //Shows the sensor values on the display 
 char bufT[10]; 
 char bufP[10]; 
 char bufA[10]; 
 String(t).toCharArray(bufT, 10); 
 String(p).toCharArray(bufP, 10); 
 String(a).toCharArray(bufA, 10); 
 u8g2.clearBuffer(); 
 u8g2.setFont(u8g2_font_6x10_tf ); 
 //Display the temperature 
 u8g2.drawStr(0, 10, "T:"); 
 u8g2.drawStr(12, 10, bufT); 
 u8g2.drawStr(73, 10, "C"); 
 u8g2.drawCircle(70, 4, 1, U8G2_DRAW_ALL); 
 u8g2.drawHLine(0, 12, 85); 
 //Display the pressure 
 u8g2.drawStr(0, 26, "P:"); 
 u8g2.drawStr(12, 26, bufP); 
 u8g2.drawStr(60, 26, "mBar"); 
 u8g2.drawHLine(0, 28, 85); 
 //Display the altitude 
 u8g2.drawStr(0, 42, "A:"); 
 u8g2.drawStr(12, 42, bufA); 
 u8g2.drawStr(72, 42, "m"); 
 u8g2.drawHLine(0, 44, 85); 
 //Send the values to the display 
 u8g2.sendBuffer(); 
} 

getSensorValues(); 

BLYNK_WRITE(vEVENTOR_PIN) { 
 //Use the Eventor widget to check if it's time to do a task (take medication in this case) 
 int currentValue =param.asInt(); // 0 to 1 
 if (currentValue ==1) { 
 //Do here what you want to when its time for medication
 showPillReminder(); 
 playBuzzerReminder();
 //This is just a tone, I haven't made it in the main code, but you can if you want!
 } 
 else { 
 //If it's not the time for medication, do nothing
 } 
} 

showExerciseReminder(); 

showPillReminder(); 

sendCommand(LOW_ENERGY);
sendCommand(STANDARD_MODE);
sendCommand(HIGH_PRECISION); 

Final Touches

• Making a proper enclosure for it. Now I am just testing it on a breadboard but if I get access to a laser cutter or 3D printer I will update the documentation with that.
• Using a Bluetooth 4.0 module instead of this one.
• Or even better, using just the DPS310 Sensor instead of the Sensor Hub Nano. This would decrease the cost for the project overall, as it will eliminate the use of the Sensor Hub Nano and the bluetooth module; the DPS310 itself is a available for cheap. It's a matter of editing the main code to get temperature, pressure and altitude values from the DPS310 only, the rest of the part is done.
• Using a secondary sensor to work along with the DPS310 for fall detection and the location detection. This would decrease the occurrence of both, false positive and false negative alerts. Most probably an accelerometer and a motion detector will be needed for both.
• Adding a pulse sensor. I did not have one, so I couldn't add that. It should be a great addition to the project.
• Using a higher resolution display, preferably an OLED. With that, graphics can also be included and that would be pretty neat.
• Working on improving the battery life for the project. This can be done by using a deep sleep mode in the MKR1000, but I haven't used it in the code yet.

Código

• AT Commands
• Alzheimer's Assistant

AT CommandsArduino

// Original sketch from Martyn Currey's blog here:// http://www.martyncurrey.com/arduino-with-hc-05-bluetooth-module-at-mode///// Sketch modified by me to work with Arduino MKR1000!//// Basic Bluetooth sketch// Connect the HC-05 module and communicate using the serial monitor//// The HC-05 defaults to commincation mode when first powered on.// Needs to be placed in to AT mode// After a factory reset the default baud rate for communication mode is 38400char c =' ';void setup() { // start the serial communication with the host computer Serial.begin(9600); Serial.println("Arduino with HC-05 is ready"); // start communication with the HC-05 using 38400 Serial1.begin(38400); Serial.println("Serial1 started at 38400");}void loop() { // Keep reading from HC-05 and send to Arduino Serial Monitor if (Serial1.available()) { c =Serial1.read(); Serial.write(c); } // Keep reading from Arduino Serial Monitor and send to HC-05 if (Serial.available()) { c =Serial.read(); // mirror the commands back to the serial monitor // makes it easy to follow the commands Serial.write(c); Serial1.write(c); }} 

Alzheimer's AssistantArduino

//Including required libraries#include #include #include #include #include #include // You should get Auth Token in the Blynk App.// Go to the Project Settings (nut icon).char auth[] =""; //Enter your Blynk auth token here// Your WiFi credentials.// Set password to "" for open networks.char ssid[] ="";char pass[] ="";//Defining Sensor Hub Nano board commands#define HELLO "$hello id="#define INFO "$info id="#define SENSOR_INFO "$sinfo id=1"#define LOW_ENERGY "$set_mode sid=1;md=mode;val=bg"#define STANDARD_MODE "$set_mode sid=1;md=prs_osr;val=16"#define HIGH_PRECISION "$set_mode sid=1;md=prs_mr;val=32"#define START "$start_sensor id=1"#define STOP "$stop id="//Defining fall and clearance thresholds//You may need to change them, but I found these values to be good#define FALL 0.7#define CLEARANCE 0.2//Defining Blynk virtual pins#define vTEMPERATURE_PIN V0#define vPRESSURE_PIN V1#define vALTITUDE_PIN V2#define vEVENTOR_PIN V3#define vFALL_PIN V4//Declaring required variablesfloat t, p, a, previousA;//Boolean which tells tells if a fall is detected or notboolean fallState;//Variables needed for the fall detection algorithmunsigned long previousMillis =0;const long interv al =1000;//BTconnected is false when not connected and true when connectedboolean BTconnected =false;//Defining BT state and LCD backlight pinsint btStatePin =9;int backlightPin =2;BlynkTimer timer;WidgetRTC rtc;//Nokia 5110 Display wiringU8G2_PCD8544_84X48_F_4W_SW_SPI u8g2(U8G2_R0, /* clock=*/ 7, /* data=*/ 8, /* cs=*/ 3, /* dc=*/ 5, /* reset=*/ 4);void setup() { //Initialize both serial ports:Serial.begin(115200); Serial1.begin(115200); //Setup the timed fuctions timer.setInterval(1000L, sendSensorValues); timer.setInterval(3000L, showTimeAndDate); //Setting up required inputs and outputs pinMode(btStatePin, INPUT); pinMode(backlightPin, OUTPUT); digitalWrite(backlightPin, LOW); u8g2.begin(); showStartMessage(); atraso (2000); // wait until the bluetooth module has made a connection while (!BTconnected) { if (digitalRead(btStatePin) ==HIGH) { BTconnected =true; } else { showWaitingFor(); } } initSensorHub(); Blynk.begin(auth, ssid, pass); rtc.begin (); setBlynkWidgets(); showTimeAndDate(); sendCommand(START);}void loop() { Blynk.run(); timer.run (); getSensorValues(); checkIfFalling();}void sendCommand (String sensorCommand) { //This function sends commands through the bluetooth module on the hardware serial port to the the Sensor Hub Nano //For example:"sendCommand(START);", starts the flow of data from the sensor //The full list of commands I know are defined at the top of the sketch Serial1.println(sensorCommand);}void initSensorHub() { //Initialise the Sensor Hub Nano, and give an error if there is any problem String junkVal; sendCommand(INFO); while (Serial1.find("IFX_NanoHub") ==false) { sendCommand(INFO); Serial.println("ERROR"); showErrorMessage(); } junkVal =Serial1.readStringUntil('\n'); junkVal =""; showConnectedMessage(); delay(1500);}void getSensorValues() { //Retrieves the sensor values from the Sensor Hub Nano through the Serial1 port String junkVal; if (Serial1.available()) { junkVal =Serial1.readStringUntil('\n'); junkVal =Serial1.readStringUntil('t'); t =Serial1.parseFloat(); junkVal =Serial1.readStringUntil('p'); p =Serial1.parseFloat(); junkVal =Serial1.readStringUntil('a'); a =Serial1.parseFloat(); junkVal =Serial1.readStringUntil('\n'); }}void sendSensorValues() { //Sending the sensor values to the Blynk server Blynk.virtualWrite(vTEMPERATURE_PIN, t); Blynk.virtualWrite(vPRESSURE_PIN, p); Blynk.virtualWrite(vALTITUDE_PIN, a);}void checkIfFalling() { //Algorithm to check if the patient is falling unsigned long currentMillis =millis(); if ((currentMillis - previousMillis)>=interval) { float diff =previousA - a; if ((diff>=(FALL - CLEARANCE)) &&(diff <=(FALL + CLEARANCE))) { fallState =true; //Here insert what you need to do if fall is detected, such as sending a notification or email with Blynk //Or you could also use IFTTT to call or send an sms to alert the caretaker (more info in the project documentation) Serial.println("Falling"); showFallMessage(); //In this example, vFALL_PIN (virtual pin 4) is set to 255 if fall is detected Blynk.virtualWrite(vFALL_PIN, 255); //You can send a notification using only the notification widget too! //Blynk.notify("DPS310 detected a fall!"); } previousA =a; previousMillis =currentMillis; fallState =false; //Set vFALL_PIN to 0 if a fall isn't detected Blynk.virtualWrite(vFALL_PIN, 0); }}void showStartMessage() { //Shows the start-up message u8g2.clearBuffer(); u8g2.drawRFrame(3, 7, 75, 31, 7); u8g2.setFont(u8g2_font_prospero_bold_nbp_tf); u8g2.drawStr(8, 19, "Alzheimer's"); u8g2.drawStr(12, 35, "Assistant"); u8g2.sendBuffer();}void showWaitingFor() { //Shows the waiting for Sensor Hub Nano message u8g2.clearBuffer(); u8g2.setFont(u8g2_font_prospero_bold_nbp_tf); u8g2.drawStr(9, 15, "Waiting for"); u8g2.drawStr(8, 28, "Sensor Hub"); u8g2.drawStr(22, 41, "Nano !!!"); u8g2.sendBuffer();}void showConnectedMessage() { //Shows the connected message u8g2.clearBuffer(); u8g2.setFont(u8g2_font_7x13B_tf); u8g2.drawStr(0, 10, "Connected to"); u8g2.drawStr(8, 22, "Infineon's"); u8g2.drawStr(7, 34, "Sensor Hub"); u8g2.drawStr(29, 46, "Nano"); u8g2.sendBuffer();}void showErrorMessage() { //Shows the error message u8g2.clearBuffer(); // clear the internal memory u8g2.setFont(u8g2_font_fub14_tf); // choose a suitable font u8g2.drawStr(9, 30, "ERROR"); // write something to the internal memory u8g2.sendBuffer(); // transfer internal memory to the display}void showSensorValues() { //Shows the sensor values on the display char bufT[10]; char bufP[10]; char bufA[10]; String(t).toCharArray(bufT, 10); String(p).toCharArray(bufP, 10); String(a).toCharArray(bufA, 10); u8g2.clearBuffer(); u8g2.setFont(u8g2_font_6x10_tf ); //Display the temperature u8g2.drawStr(0, 10, "T:"); u8g2.drawStr(12, 10, bufT); u8g2.drawStr(73, 10, "C"); u8g2.drawCircle(70, 4, 1, U8G2_DRAW_ALL); u8g2.drawHLine(0, 12, 85); //Display the pressure u8g2.drawStr(0, 26, "P:"); u8g2.drawStr(12, 26, bufP); u8g2.drawStr(60, 26, "mBar"); u8g2.drawHLine(0, 28, 85); //Display the altitude u8g2.drawStr(0, 42, "A:"); u8g2.drawStr(12, 42, bufA); u8g2.drawStr(72, 42, "m"); u8g2.drawHLine(0, 44, 85); //Send the values to the display u8g2.sendBuffer();}void showFallMessage() { //Show the fall detected message u8g2.clearBuffer(); u8g2.setFont(u8g2_font_7x13B_tf); u8g2.drawStr(27, 20, "Fall"); u8g2.drawStr(13, 32, "Detected!"); u8g2.sendBuffer(); delay(1000);}void showPillReminder() { //Show the pill reminder message u8g2.clearBuffer(); u8g2.setFont(u8g2_font_7x13B_tf); u8g2.drawStr(0, 20, "Time to take"); u8g2.drawStr(5, 32, "your pills!"); u8g2.sendBuffer();}void showExerciseReminder() { //Show the exercise reminder message u8g2.clearBuffer(); u8g2.setFont(u8g2_font_7x13B_tf); u8g2.drawStr(16, 20, "Time to"); u8g2.drawStr(12, 32, "exercise!"); u8g2.sendBuffer();}void showTimeAndDate() { //Displays the time and date from the RTC widget in Blynk in 24 hours format if (year() ==1970) { //Serial.println("Time not yet synced"); } else if (year() !=1970) { char bufHours[3]; char bufColon[2]; char bufMinutes[3]; char bufDate[11]; String currentHours =String(hour()); String colon =":"; String currentMinutes =String(minute()); String currentDate =String(day()) + "/" + month() + "/" + year(); String(currentHours).toCharArray(bufHours, 3); String(colon).toCharArray(bufColon, 2); String(currentMinutes).toCharArray(bufMinutes, 3); String(currentDate).toCharArray(bufDate, 11); u8g2.clearBuffer(); u8g2.setFont(u8g2_font_inr33_mf); u8g2.drawStr(30, 30, bufColon); u8g2.setFont(u8g2_font_logisoso32_tn); u8g2.drawStr(0, 32, bufHours); u8g2.drawStr(45, 32, bufMinutes); u8g2.setFont(u8g2_font_saikyosansbold8_8n); u8g2.drawHLine(0, 35, 85); u8g2.drawStr(0, 46, bufDate); u8g2.sendBuffer(); }}BLYNK_WRITE(vEVENTOR_PIN) { //Use the Eventor widget to check if it's time to do a task (take medication in this case) int currentValue =param.asInt(); // 0 to 1 if (currentValue ==1) { showPillReminder(); //Serial.println("Time to take your pills"); } else { //Serial.println("Not the time to take pills"); }}void setBlynkWidgets() { //This sets the colour of each widget in the Blynk app //You may remove this from the sketch if you want to set colours manually through the Blynk app //You could also specifiy the hex value of each colour you need //Set temperature widget color to white Blynk.setProperty(vTEMPERATURE_PIN, "color", "#FFFFFF"); //Set pressure widget color to blue Blynk.setProperty(vPRESSURE_PIN, "color", "#00BBFF"); //Set altitude widget color to yellow Blynk.setProperty(vALTITUDE_PIN, "color", "#FFFF00");}BLYNK_CONNECTED() { //Synchronize time on connection, if connection drops rtc.begin();}

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