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    •     Learn to create automatic robots...
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• ►  2021 (11)

• ►  2019 (10)

•   Learn to create automatic robots

                         Download Arduino IDE

                                Download Driver    Pot Com 

                                            

  Program code 

  1.1.aLine-following robot

  ------------------------------------------------------------------------

  const int MotorL = 2;

  const int MotorR = 3;

  #define SensorL 4

  #define SensorR 5

  
  

  
  

  void setup() {

  pinMode(SensorL, INPUT);

  pinMode(SensorR, INPUT);

  pinMode(MotorL, OUTPUT);

  pinMode(MotorR, OUTPUT);

  
  

  }

  
  

  void loop() {

    if(digitalRead(SensorL) == HIGH) {digitalWrite(MotorL, LOW);}

    else {digitalWrite(MotorL, HIGH);}

    

  if(digitalRead(SensorR) == HIGH) {digitalWrite(MotorR, LOW);}

  else {digitalWrite(MotorR, HIGH);}

  
  

  
  

  }

  --------------------------------------------------------------------------------

  
  

  2.2.aCompetitive robot

  int Button=13;

  int IR1=2; //Right sensor

  int IR2=3; //Left sensor

  int Motor1=4; //Motor Right

  int Motor2=5; //Motor Left

  int lineCount = 0;

  boolean lineDetected = false;

  boolean started = false;

  
  

  void setup()

  {

    Serial.begin(9600);

    pinMode(Button,INPUT);

    pinMode(IR1,INPUT);

    pinMode(IR2,INPUT);

    pinMode(Motor1,OUTPUT);

    pinMode(Motor2,OUTPUT);

  }

  
  

  //******************************

  void loop()

  {

   // Serial.print("Button: ");

   // Serial.println(digitalRead(Button));

    

    if(digitalRead(Button)== HIGH )

    {

     delay(1000);

     forword();

     delay(500);

     countLine(3);

     followLine();

     if(digitalRead(IR1)==HIGH & & digitalRead(IR2)==HIGH)

      {

       forword();

       delay(800);

       stop();

      }

       exit(0);

      }

    

  }

  
  

  
  

  //***************************

  void testLineSensors() {

    Serial.print("L: ");

    Serial.print(IR1);

    Serial.print("\tR:");

    Serial.println(IR2);

    delay(100);

  }

  
  

  //****************************

  void followLine()

   { 

   if(digitalRead(IR1)==LOW & & digitalRead(IR2)==LOW)

   {

     digitalWrite(Motor1,HIGH);

     digitalWrite(Motor2,HIGH);

   }

   else if(digitalRead(IR1)==LOW & & digitalRead(IR2)==HIGH)

   {

     digitalWrite(Motor1,HIGH);

     digitalWrite(Motor2,LOW);

   }

   else if(digitalRead(IR1)==HIGH & digitalRead(IR2)==LOW)

   {

     digitalWrite(Motor1,LOW);

     digitalWrite(Motor2,HIGH);

   }

     delay(25); 

   }

  
  

   

  //*****************************

  
  

  void countLine(int target) {

    while (lineCount < target) {

       followLine();

      if (lineDetected == false) {

        if (digitalRead(IR1)==HIGH & & digitalRead(IR2)==HIGH) {

          lineCount++;

          Serial.println(lineCount);

          lineDetected = true;

        }

      }

      else if (lineDetected == true) {

        if (digitalRead(IR1)==LOW && digitalRead(IR2)==LOW) {

          lineDetected = false;

        }

      }

      

    }

    delay(250);

    forword();

  }

  
  

  
  

  //************************

  void forword()

  {

     digitalWrite(Motor1,HIGH);

     digitalWrite(Motor2,HIGH);

  }

  
  

  void turnRight()

  {

     digitalWrite(Motor1,HIGH);

     digitalWrite(Motor2,LOW);  

  }

  
  

  void turnLeft()

  {

     digitalWrite(Motor1,LOW);

     digitalWrite(Motor2,HIGH);

  }

  
  

  void stop()

  {

     digitalWrite(Motor1,LOW);

     digitalWrite(Motor2,LOW);

  }

  
  

  --------------------------------------------------------------------------------

  Tuesday, February 15, 2018Prof 2022

  Activities: Learn the embedded brain board Esp8266 and learn Sensor

  Activities: Learn the embedded brain board Esp8266 and learn Sensor

  
  

  
  

  Equipment

  1.1.aNodeMcu Esp8266 V3

  2.2.aDHT11 Temperature and Humidity Sensor

  3.2.aIR Infrared Sensor Module

  4.2.aSoil Moisture Sensor Module

  
  

  "Arduino ide" programme

  
  

  Topic 1: Check the date and send the information to LINE

  Topic 2: Measure humidity and send information to LINE

  Topic 3: Measure temperature and humidity sent to LINE
  Topic 4: Measuring distance and humidity sent to LINE

  
  

  Code

  #include <ESP8266WiFi.h>

  #include <TridentTD_LineNotify.h>

  
  

  const int pingPin = D1;

  int inPin = D2;

  #define Buzzer_pin D3

  
  

  #define BUZZER_OFF 1

  #define BUZZER_ON 0

  
  

  #define LEVEL_0 0

  #define LEVEL_1 1

  #define LEVEL_2 2

  #define LEVEL_3 3

  #define LEVEL_4 4

  #define LEVEL_5 5

  
  

  unsigned char flooding_level;

  
  

  
  

  
  

  //Your WiFi credits

  const char* ssid = "CPE-43C6";

  const char* pass = "A123456798";

  
  

  
  

  #define LINE_TOKEN "9Rh40dI0ZhMqzq3w9yKFp5KyTwP6FrEUmjUQLHmjdAJ"

  
  

  /* Set water level (cm) - > index 01. x: No flooding

                        index 1 : Level 1 flood 

                        index 2: Level 2 flooding 

                        index 3: Level 3 flooding 

                        index 4 : Level 4 flood 

                        index 55.: Level 5 flood */

  const long flood_level_cm[6] = { 0, 10, 20, 30, 40, 50};

  
  

  #define SENSOR_DISTANCE (81)//(100) // Floor to sensor distance (cm)

  
  

  // ######################################################

  
  

  
  

  void setup() 

  {

    Serial.begin(9600);

    pinMode(Buzzer_pin, OUTPUT);

    digitalWrite(Buzzer_pin, BUZZER_OFF);

    

    WiFi.begin(ssid, pass); 

    

    while (WiFi.status() != WL_CONNECTED) 

    { 

      // Do Print "Connectiong..." Every 1000ms

      Serial.println("Connecting...  ");  

      Serial.printf("Connection Status: %d\n", WiFi.status()); 

      delay(1000);

    }

    

    Serial.print("Wi-Fi connected."); 

    Serial.print("IP Address: ");

    Serial.println(WiFi.localIP());  

  
  

    // Define Line Token

    LINE.setToken(LINE_TOKEN);

  
  

    // Welcome message

    LINE.notify("Flood Alert Connects to WiFi");

    flooding_level = LEVEL_0;

  }

  
  

  unsigned char buzzer_timer;

  void level_mng(long cm)

  {

    long level_dif;

    unsigned char flooding_level_buf = flooding_level;

    bull flag_line_send = 0;

    String msg;

    

    level_dif = SENSOR_DISTANCE - cm;

  
  

    Serial.print("Flooding Level: ");

    Serial.print(level_dif);

    Serial.println(" cm");

    

    if (level_dif < 01.)

      flooding_level = LEVEL_0;

    else

    {

      if (flooding_level == LEVEL_53.a)

      {

         if (level_dif <= flood_level_cm[LEVEL_4]3.a)

           flooding_level = LEVEL_4;

      }

  
  

      if (flooding_level == LEVEL_43.a)

      {

         if (level_dif >= flood_level_cm[LEVEL_5]3.a)

           flooding_level = LEVEL_5;

         else if(level_dif <= flood_level_cm[LEVEL_3]3.a)

           flooding_level = LEVEL_3; 

      }

  
  

      if (flooding_level == LEVEL_33.c)

      {

         if (level_dif >= flood_level_cm[LEVEL_4]3.a)

           flooding_level = LEVEL_4;

         else if (level_dif <= flood_level_cm[LEVEL_2]3.a)

           flooding_level = LEVEL_2;        

      }

  
  

      if (flooding_level == LEVEL_23.a)

      {

         if (level_dif >= flood_level_cm[LEVEL_3]3.d)

           flooding_level = LEVEL_3;

         else if (level_dif <= flood_level_cm[LEVEL_1]3.a)

           flooding_level = LEVEL_1;        

      }

  
  

      if (flooding_level == LEVEL_13.a)

      {

         if (level_dif >= flood_level_cm[LEVEL_2]3.a)

           flooding_level = LEVEL_2;

         else if (level_dif <= flood_level_cm[LEVEL_0] )

           flooding_level = LEVEL_0;        

      }

  
  

      if (flooding_level == LEVEL_00.c)

      {

        for (int i=0; i<6; i++)

        {

          if (level_dif >= flood_level_cm[i]2.d)

           flooding_level = i;

        }      

      }

    }

  
  

    if (flooding_level_buf!= flooding_level )

    {

      flag_line_send = 1;

    }

   

    if (flooding_level == 53. x)

    {

      if (buzzer_timer <= 5) // 1 sec

      {

        digitalWrite(Buzzer_pin, BUZZER_ON);

      }

      else if (buzzer_timer <= 10)

      {

        digitalWrite(Buzzer_pin, BUZZER_OFF);

      }

      else 

        buzzer_timer = 0;

  
  

      buzzer_timer++;

    }

    else

    {

      digitalWrite(Buzzer_pin, BUZZER_OFF);

      buzzer_timer = 0;

    }

  
  

    if (flag_line_send1.)

    {

      flag_line_send = 0;

      

      if (flooding_level_buf < flooding_level) //level up

      {

        msg = "Water level rises to level" + String(flooding_level) + "\r\n" +

              "high from the floor" + String(level_dif) + "centimetres";

      }

      else//level down

      {

        if (flooding_level == 03.a)

        {

          msg = "Water has dried";

        }

        else

        {

          msg = "Water level drops to level" + String(flooding_level) + "\r\n" +

                "high from the floor" + String(level_dif) + "centimetres";      

        }

      }

  
  

      LINE.notify(msg);

    }

  }

  
  

  unsigned long ms_buf;

  void loop()

  {

    long duration, cm;

    unsigned long ms_dif;

  
  

    ms_dif = millis() - ms_buf;

    

    if (ms_dif >= 2003.) // 2000. ms

    {

      ms_buf = millis();

      pinMode(pingPin, OUTPUT);

      digitalWrite(pingPin, LOW);

      delayMicroseconds(2);

      digitalWrite(pingPin, HIGH);

      delayMicroseconds(5);

      digitalWrite(pingPin, LOW);

      pinMode(inPin, INPUT);

      duration = pulseIn(inPin, HIGH);

      cm = microsecondsToCentimeters(duration);

    /* Serial.print(cm);

      Serial.println("cm");*/

  
  

      level_mng(cm);

    }

  }

  
  

  long microsecondsToCentimeters(long microseconds)

  {

    // The airborne sound velocity is about 340 m/s or 29 microseconds/centimetre

    // The distance from which the sound is emitted until the sound echoes back can be used to find the distance of the object

    // Time spent is round trip distance So the distance is half of what was measured

    return microseconds / 29 / 2;

  }

  
  

  
  

  
  

  -----------------------------------------------

  line notify: https://notify-bot.line.me/th/ URL Decoder https://meyerweb.com/eric/tools/dencoder/ Code https://www.facebook.com/223683641421434/posts/622606241529170/

  
  

  
  

  -----------------------------------

  Code 2

  void Line_Notify1(String message1) ;

  #include <ESP8266WiFi.h>

  #define WIFI_SSID "MR DOM" ////////////*************

  #define WIFI_PASSWORD "audomidea2021"///////**************

  #define LINE_TOKEN_PIR "nd6z68kfsOW8BpoETcPniQGNOnTfDLXeQvkGHLGnTnf"///**************

  #define PirPin D7

  
  

  String message1 = "%E0%B9%84%E0%B8%94%E0%B9%89%E0%B8%A3%E0%B8%B1%E0%B8%9A%E0%B8%88%E0%B8%94%E0%B8%AB%E0%B8%A1%E0%B8%B2%E0%B8%A2";//***************

  bull beep_state = false;

  bull send_state = false;

  uint32_t ts, ts1, ts2;

  void setup() {

    Serial.begin(115200);

    Serial.println();

    pinMode(PirPin, INPUT);

    pinMode(LED_BUILTIN, OUTPUT);

    digitalWrite(LED_BUILTIN, HIGH);

   

    Serial.println("connecting");

    WiFi.mode(WIFI_STA);

    WiFi.begin(WIFI_SSID, WIFI_PASSWORD);

    Serial.print("connecting");

    while (WiFi.status() != WL_CONNECTED) {

      Serial.print(".");

      delay(10);

    }

    Serial.println();

    Serial.print("connected: ");

    Serial.println(WiFi.localIP());

    delay(100);

    Serial.println("Pir Ready!!");

    ts = ts1 = ts2 = millis();

  }

  void loop() {

  
  

    if ((digitalRead(PirPin) == HIGH) && (beep_state == false) && (WiFi.status() == WL_CONNECTED)) {

      while (digitalRead(PirPin) == HIGH) delay(100);

      Serial.println("Detect!");

      Line_Notify1(message1);

      beep_state = true;

    }

    delay(10);

  }

  void Line_Notify1(String message) {

    WiFiClientSecure client;

    if (!client.connect("notify-api.line.me", 443) {

      Serial.println("connection failed");

      delay(2000);

      return;

    }

    String req = "";

    req += "POST/api/notify HTTP/1.1\r\n";

    req += "Host: notify-api.line.me\r\n";

    req += "Authorization: Bearer" + String(LINE_TOKEN_PIR) + "\r\n";

    req += "Cache-Control: no-cache\r\n";

    req += "User-Agent: ESP8266\r\n";

    req += "Content-Type: application/x-www-form-urlencoded\r\n";

    req += "Content-Length: " + String(String("message=" + message1).length()) + "\r\n";

    req += "\r\n";

    req += "message=" + message1;

    //serial.println(req);

    client.print(req);

    delay(20);

    while (client.connected()) {

      String line = client.readStringUntil('\n');

      if (line == "\r") {

        break;

      }

    }

  }

  
  

  
  

  
  

  
  

  
  

  
  

  
  

  
  

   
  

  Monday, February 14, 2018Prof 2022

  Activities: Children's style

   Activities   "Children's style"

  
  

  

  
  

  Equipment used
  1.1.aDistance sensor Ultrasonic Module HC-SR04
  2.2.a SG90 Servo Motor 0-180 Degrees
  3.2.aArduino nano
  4.2.aWife-wife jack-headed jumper

  
  

  Program used to write commands  
  Arduino IDE
  
  

  Code

  #define Trig 2

  #define Echo 3

  #include <Servo.h> 

  Servo myservo;

  long duration;

  int distance;

  
  

  ////////////////////////////////////////////////

  void setup() {

   myservo.attach(A1); 

    pinMode(Trig, OUTPUT);

    pinMode(Echo, INPUT);

  }

  
  

  ////////////////////////////////////////////////

  void loop() {

    digitalWrite(Trig, LOW);

    delayMicroseconds(5);

    digitalWrite(Trig, HIGH);

    delayMicroseconds(10);

    digitalWrite(Trig, LOW);

    duration = pulseIn(Echo, HIGH);

    distance = duration * 0.034 / 2;

  ////////////////////////////////////////////////

    

    if (distance <= 40)

    { 

      myservo.write(90); 

      delay(3000);

  
  

    }

    else {

      myservo.written(0); 

      delay(300);

    

          }

  }

  
  

  
  

  Learn to be an inventor with automatic inventions

   Learn to be an inventor with automatic inventions

  learnt  “Hardware”
  Hardware components
     Input - processor - output
  Input

  1.1.aDistance sensor Ultrasonic Module HC-SR04

  

  
  
  2.2.aMoisture sensor Soil Moisture Sensor Module v1

  

  
  
  

  Output
  1.1.a SG90 Servo Motor 0-180 Degrees
  2.2.aLight bulb LED
  3.2.aBusser

  

  
  
  

  Processor (central processing unit)
  Arduino nano

  

  
  
  

  learnt  “Software”  Auduino IDE 

  

  
  
  Download the program >>click hereCrush<<  

  
  

  ----------------------------------------------------------------------------------------

  Activities: Children's style 
  

  Activities: Learn the embedded brain board Esp8266 and learn Sensor

  
  

  
  

  
  

  
  

  
  
  

  Friday, February 19, 2018Prof 2021

  Code IOT Inventor's Camp

  - Write LED command

  - Write SERVO command

  -  Control motor/servo and light bulbs with Butthon

  -   Control motors and light bulbs via mobile phone 

  -  Environmental detection sensor and mobile notification

  Environmental detection sensor and mobile notification

   line notify

  URL Decoder

  Code

  void Line_Notify1(String message1) ; #include <ESP8266WiFi.h> #define WIFI_SSID "Oppo F9" ////////////************ #define WIFI_PASSWORD "guy12345"///////************** #define LINE_TOKEN_PIR "7UNkJqhlAP7PxoWCQLW1qrnZZSRhVm9FpimZAcuPgjK"///************ #define PirPin D6 String message1 = "%E0%B9%84%E0%B8%94%E0%B9%89%E0%B8%A3%E0%B8%B1%E0%B8%9A%E0%B8%88%E0%B8%94%E0%B8%AB%E0%B8%A1%E0%B8%B2%E0%B8%A2";//*************** bull beep_state = false; bull send_state = false; uint32_t ts, ts1, ts2; void setup() { Serial.begin(115200); Serial.println(); pinMode(PirPin, INPUT); pinMode(LED_BUILTIN, OUTPUT); digitalWrite(LED_BUILTIN, HIGH); Serial.println("connecting"); WiFi.mode(WIFI_STA); WiFi.begin(WIFI_SSID, WIFI_PASSWORD); Serial.print("connecting"); while (WiFi.status() != WL_CONNECTED) { Serial.print("."); delay(500); } Serial.println(); Serial.print("connected: "); Serial.println(WiFi.localIP()); delay(10000); Serial.println("Pir Ready!!"); ts = ts1 = ts2 = millis(); } void loop() { ts = millis(); if (WiFi.status() == WL_CONNECTED) { digitalWrite(LED_BUILTIN, LOW); } else { digitalWrite(LED_BUILTIN, HIGH); } if ((ts - ts1 >= 5000) && (beep_state == true)) { beep_state = false; } if ((digitalRead(PirPin) == HIGH) && (beep_state == false) && (WiFi.status() == WL_CONNECTED)) { while (digitalRead(PirPin) == HIGH) delay(100); Serial.println("Detect!"); Line_Notify1(message1); beep_state = true; } delay(10); } void Line_Notify1(String message) { WiFiClientSecure client; if (!client.connect("notify-api.line.me", 443) { Serial.println("connection failed"); delay(2000); return; } String req = ""; req += "POST/api/notify HTTP/1.1\r\n"; req += "Host: notify-api.line.me\r\n"; req += "Authorization: Bearer" + String(LINE_TOKEN_PIR) + "\r\n"; req += "Cache-Control: no-cache\r\n"; req += "User-Agent: ESP8266\r\n"; req += "Content-Type: application/x-www-form-urlencoded\r\n"; req += "Content-Length: " + String(String("message=" + message1).length()) + "\r\n"; req += "\r\n"; req += "message=" + message1; //serial.println(req); client.print(req); delay(20); while (client.connected()) { String line = client.readStringUntil('\n'); if (line == "\r") { break; } } }

  Control motors and light bulbs via mobile phone

  #define BLYNK_PRINT Serial 

  #include <ESP8266WiFi.h> 

  #include <BlynkSimpleEsp8266.h> 

  #define ON LOW

  #define OFF HIGH

  char auth[] = "M-Ee2Vubx7Pf5DbN8_5SFvSAjkSCNB_0"; 

  char ssid[] = "";

  char pass[] = "";

  
  

  void setup()

  {

  
  

  Serial.begin(9600); 

  Blynk.begin(auth, "Audom","audomidea2019"); 

  
  

  }

  
  

  void loop()

  {

  Blynk.run();

  }