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Industry Temperature monitoring system using Arduino
Just Do Electronics
January 31, 2020
Industry Temperature monitoring system using Arduino | Arduino Project
CIRCUIT DIAGRAM
CODE
//PRATEEK //WWW.PRATEEKS.IN #include
LiquidCrystal lcd(8, 9, 10, 11, 12, 13); //const int LED_RED=2; //Red LED //const int LED_GREEN=4; //Green LED //const int RELAY=5; //Lock Relay or motor //Key connections with arduino //const int up_key=6; //const int down_key=3; int SetPoint=30; void setup(){ pinMode(LED_RED,OUTPUT); pinMode(LED_GREEN,OUTPUT); pinMode(RELAY,OUTPUT); pinMode(up_key,INPUT); pinMode(down_key,INPUT); //Pull up for setpoint keys digitalWrite(up_key,HIGH); digitalWrite(down_key,HIGH); // set up the LCD's number of columns and rows: lcd.begin(16, 2); // Print a message to the LCD. lcd.print("AKSHADA - ROHINI"); delay(1000); lcd.setCursor(0,1); //Move coursor to second Line //lcd.print("Temp. Controller"); digitalWrite(LED_GREEN,HIGH); //Green LED Off digitalWrite(LED_RED,LOW); //Red LED On digitalWrite(RELAY,LOW); //Turn off Relay delay(2000); } void loop(){ double Temperature = ((5.0/1024.0) * analogRead(A0)) * 100; lcd.setCursor(0,0); lcd.print("Temperature:"); lcd.print(Temperature); //Get user input for setpoints if(digitalRead(down_key)==LOW) { if(SetPoint>0) { SetPoint--; } } if(digitalRead(up_key)==LOW) { if(SetPoint<150) { SetPoint++; } } lcd.setCursor(0,1); lcd.print("Set Point:"); lcd.print(SetPoint); lcd.print("C "); if(Temperature > SetPoint) { digitalWrite(RELAY,LOW); //Turn off heater digitalWrite(LED_RED,LOW); digitalWrite(LED_GREEN,HIGH); //Turn on Green LED } else { digitalWrite(RELAY,HIGH); //Turn on heater digitalWrite(LED_GREEN,LOW); digitalWrite(LED_RED,HIGH); //Turn on RED LED } delay(100); //Update at every 100mSeconds }
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