) Ko'ngil ochish uchun tezlik oralig'iga qarab rangni o'zgartiradigan bitta RGB LED qo'shildi

6) Ko'ngil ochish uchun tezlik oralig'iga qarab rangni o'zgartiradigan bitta RGB LED qo'shildi.

Buning o'rniga yoki RGB LED-da, rasmda ko'rsatilgandek, barcha topraklama pinlarini qarshilikka ulash orqali oddiy 2 pinli LEDlardan foydalanish mumkin.

Kodi:

Kodi:

• #include
• #include
• LiquidCrystal_I2C lcd(0x27,16,2); // Constructor for LCD, (Address of LCD, NoOfColumns,NoOfRows)
• int ticks = 0, Speed = 0;
• int hallsensor = 12; //The Hall effect sensor (HES) output of fan connected to pin no 12 of Arduino due
• typedef struct{
• char fantype;
• unsigned int fandiv;
• } fanspec;
•  fanspec fanspace[3]={{0,1},{1,2},{2,8}}; char fan = 1; 
• void pickrpm ()
• { ticks++; }
• void setup()
• {
• pinMode(hallsensor, INPUT);
• Serial.begin(9600);
• attachInterrupt(12, pickrpm, RISING);
• analogWriteResolution(12);
• lcd.init(); // initialize the lcd
• lcd.backlight(); // backlight of lcd
• lcd.home(); // initialize lcd cursor position
• pinMode(9, OUTPUT);
• pinMode(10, OUTPUT);
• pinMode(11, OUTPUT);
• digitalWrite(9, LOW);
• digitalWrite(10, LOW);
• digitalWrite(11, LOW);
• }

void loop () {

• void loop () {
• ticks = 0; // Make ticks zero before starting interrupts.
• interrupts(); // or use sei(); to Enables interrupts
• delay (1000); //Wait 1 second
• noInterrupts(); // or use cli(); to Disable interrupts
•  Speed = ((ticks * 60)/fanspace[fan].fandiv);
• Serial.print (Speed, DEC);
• Serial.print (" RPM\r\n");
• lcd.setCursor(2, 0); // (column,row)
• lcd.print("Electromania");
• lcd.setCursor(0, 1); // (column,row)
• lcd.print("Speed:");
• char SpeedString[4]; // Buffer to store string of 4 chars + 0 termination
• sprintf(SpeedString, "%4d", Speed); // change this to %3, 4 ,5 etc depending upon your max speed
• lcd.print(SpeedString);
• lcd.print(" RPM");
• if (Speed > 3000){
• digitalWrite(9, HIGH);
• digitalWrite(10, LOW);
• digitalWrite(11, LOW); }
• else if (Speed > 2000 && Speed < 3000){
• digitalWrite(10, HIGH);
• digitalWrite(9, LOW);
• digitalWrite(11, LOW); }
• else if (Speed > 1000 && Speed < 2000){
• digitalWrite(11, HIGH);
• digitalWrite(9, LOW); //red
• digitalWrite(10, LOW); }
• if (Speed > 0 && Speed < 1000){
• digitalWrite(9, LOW); //red
• digitalWrite(10, HIGH );
• digitalWrite(11, HIGH); }
• if (Speed == 0){
• digitalWrite(9, LOW);
• digitalWrite(10, LOW);
• digitalWrite(11, LOW); }
• } // end of loop function