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Covert The Temperature To Volts

omar gutierrez st0330@utr.edu.mx Mexico

Hardware: Pic C To Program A Pic16f877a Software: Pic C Language C

Suppose that you have the task to implement a temperature control system for an industrial ship. The work principle of this system is described next:
• When the temperature generated in the building is higher than 45 °C, a cooling system based on industrial fans, are turned on at a 40% of their speed. At the same time, a yellow alarm should notify the workers that the ambient temperature is high.

• After this action, the fans will remain working for at least 5 minutes (25 seconds for practice implementation) after the temperature drops to 30 °C. During this process, the yellow alarm should be blinking every 12 seconds (every second for practice implementation).

• After 10 minutes (50 seconds for practice implementation) since the yellow alarm, if the temperature do not decrease, the speed of the fans should be incremented by 10% every minute (5 seconds for practice implementation) and a red alarm should be shown to the workers.

• Once you have started this routine, the fans will remain working for at least 5 minutes (25 seconds for practice implementation) after the temperature drops to 30 °C. As same as for the yellow alarm, during this process, the red alarm should be blinking every 12 seconds (every second for practice implementation).

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