Arduino Program: The program reads the temperature value and compares it with th

Question

Arduino Program:

The program reads the temperature value and compares it with the value the user entered through the keypad.

1. function one read the temperature data and displays it on the screen.

2. function two is for the user input through keypad.

3. function three continously compares the current temperature and required temperature.

4. function four is for the servo, if temperature is 20 then the servo moves to the angle 20.

Explanation / Answer

if(temp - Tprev > 0) { if(temp (Tset- 0.3)){ digitalWrite(Heater_Relay, LOW); digitalWrite(Heater_LED, LOW); Tprev = temp; } } else if(temp - Tprev

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