تبريد PSU للكمبيوتر شبه السلبي

// 2 - DS18x20 data // 3 - green LED (a 330 Ohm resistor is necessary) // 5 - orange LED (a 330 Ohm resistor is necessary) // 6 - red LED (a 330 Ohm resistor is necessary) // 9 - PWM Fan // 8 - Buzzer #include <OneWire.h> byte temp; // temperature of sensor byte greenLED = 3; byte orangeLED = 5; byte redLED = 6; byte FanSpeed = 0; int piezoPin = 8; //     byte modes[] = { 0B00000001, //  0B00000101, //  0B00010101, //  0.5  0B01010101, //     0B10101010, //      0B00010101, //      0B01010101 //   (4   ) }; uint32_t ms, ms1 = 0, ms2 = 0, ms3 = 0, ms4 = 0, ms5 = 0; uint8_t blink_loop = 0; uint8_t blink_mode = 0; uint8_t modes_count = 0; bool FirstRun = 0; OneWire ds(2); // on pin 10 (a 4.7K resistor is necessary) void analogWrite25k(int pin, int value) { switch (pin) { case 9: OCR1A = value; break; case 10: OCR1B = value; break; default: // no other pin will work break; } } void setup(void) { pinMode(redLED, OUTPUT); pinMode(greenLED, OUTPUT); pinMode(orangeLED, OUTPUT); pinMode(9, OUTPUT); modes_count = 1; blink_mode = modes[modes_count]; TCCR1A = 0; // undo the configuration done by... TCCR1B = 0; // ...the Arduino core library TCNT1 = 0; // reset timer TCCR1A = _BV(COM1A1) // non-inverted PWM on ch. A | _BV(COM1B1) // same on ch; B | _BV(WGM11); // mode 10: ph. correct PWM, TOP = ICR1 TCCR1B = _BV(WGM13) // ditto | _BV(CS10); // prescaler = 1 ICR1 = 200; // TOP = 320 // Serial.begin(9600); } void loop() { byte i; byte present = 0; byte type_s; byte data[12]; byte addr[8]; float celsius; if ( ( ms - ms3 ) > 1000 || ms < ms3 ){ ms3 = ms; if ( !ds.search(addr)) { // Serial.println("No more addresses."); // Serial.println(); ds.reset_search(); if ( ( ms - ms4 ) > 250 || ms < ms4 ){ ms4 = ms; //delay(250); return; } } // Serial.print("ROM ="); for( i = 0; i < 8; i++) { // Serial.write(' '); // Serial.print(addr[i], HEX); } if (OneWire::crc8(addr, 7) != addr[7]) { // Serial.println("CRC is not valid!"); return; } // Serial.println(); // the first ROM byte indicates which chip switch (addr[0]) { case 0x10: Serial.println(" Chip = DS18S20"); // or old DS1820 type_s = 1; break; case 0x28: Serial.println(" Chip = DS18B20"); type_s = 0; break; case 0x22: Serial.println(" Chip = DS1822"); type_s = 0; break; default: Serial.println("Device is not a DS18x20 family device."); return; } ds.reset(); ds.select(addr); ds.write(0x44, 1); // start conversion, with parasite power on at the end } //delay(1000); // maybe 750ms is enough, maybe not // we might do a ds.depower() here, but the reset will take care of it. if ( ( ms - ms2 ) > 900 || ms < ms2 ){ ms2 = ms; present = ds.reset(); ds.select(addr); ds.write(0xBE); // Read Scratchpad for ( i = 0; i < 9; i++) { // we need 9 bytes data[i] = ds.read(); } // Convert the data to actual temperature // because the result is a 16 bit signed integer, it should // be stored to an "int16_t" type, which is always 16 bits // even when compiled on a 32 bit processor. int16_t raw = (data[1] << 8) | data[0]; if (type_s) { raw = raw << 3; // 9 bit resolution default if (data[7] == 0x10) { // "count remain" gives full 12 bit resolution raw = (raw & 0xFFF0) + 12 - data[6]; } } else { byte cfg = (data[4] & 0x60); // at lower res, the low bits are undefined, so let's zero them if (cfg == 0x00) raw = raw & ~7; // 9 bit resolution, 93.75 ms else if (cfg == 0x20) raw = raw & ~3; // 10 bit res, 187.5 ms else if (cfg == 0x40) raw = raw & ~1; // 11 bit res, 375 ms //// default is 12 bit resolution, 750 ms conversion time } celsius = (float)raw / 16.0; temp = celsius; // Serial.println("TEMPERATURE IS:"); // Serial.println(temp); } ms = millis(); //    125  if( ( ms - ms1 ) > 125|| ms < ms1 ){ ms1 = ms; //       if ( temp <= 50 ) { digitalWrite(orangeLED, LOW); digitalWrite(redLED, LOW); if( blink_mode & 1<<(blink_loop&0x07) ) digitalWrite(greenLED, HIGH); else digitalWrite(greenLED, LOW); blink_loop++; if ( temp <= 40 ) { blink_mode = modes[0]; analogWrite25k ( 9, 0); FirstRun = 0; } if ( temp >= 41 && temp <= 45 ) { blink_mode = modes[1]; // Make a push impulse for starting fan (1 sec) if ( FirstRun == 0 ) { ms5 = ms; FirstRun = 1; } if (FirstRun == 1 && (2000 > (ms - ms5))) { analogWrite25k ( 9, 33); // Fan start impulse } if (FirstRun == 1 && (2000 < (ms - ms5))) { analogWrite25k ( 9, 28); // first speed } } if ( temp >= 46 && temp <= 50 && FirstRun == 1) { blink_mode = modes[2]; analogWrite25k ( 9, 29); } } if ( temp >= 51 && temp <= 61 ) { digitalWrite(greenLED, LOW); digitalWrite(redLED, LOW); if( blink_mode & 1<<(blink_loop&0x07) ) digitalWrite(orangeLED, HIGH); else digitalWrite(orangeLED, LOW); blink_loop++; if ( temp >= 51 && temp <= 54 ) { blink_mode = modes[0]; analogWrite25k ( 9, 30); } else if ( temp >= 55 && temp <= 58 ) { blink_mode = modes[1]; analogWrite25k ( 9, 31); } else if ( temp >= 59 && temp <= 61) { blink_mode = modes[2]; analogWrite25k ( 9, 32); } } if ( temp >= 62 && temp <= 120 ) { digitalWrite(greenLED, LOW); digitalWrite(orangeLED, LOW); if( blink_mode & 1<<(blink_loop&0x07) ) digitalWrite(redLED, HIGH); else digitalWrite(redLED, LOW); blink_loop++; if ( temp >= 62 && temp <= 66 ) { blink_mode = modes[0]; analogWrite25k ( 9, 33); } if ( temp >= 67 && temp <= 70 ) { blink_mode = modes[1]; analogWrite25k ( 9, 34); } if ( temp >= 71 && temp <= 120) { blink_mode = modes[2]; analogWrite25k ( 9, 50); tone(piezoPin, 2500, 30); } } } }