O Level Practical Paper With Solution | O Level iot Practical Paper solution M4-R5 PR-4

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Question1: Write an Arduino program to interface a temperature monitoring system in a public environment which will display information on 16*2 LCD. The display should show “Fever” if temp. is greater than 99.6 degrees and “No fever” if the temp.is below 99.6 degrees. (Use of DHT11 or LM35 temperature sensor is permissible).

Question2: Write a program to interface LED and Buzzer with Arduino board keeping the condition that whenever LED glows, there is a Buzzer ringing and when LED is off then Buzzer is also put on off.

Question3: Write a program to sense Obstacle closer than 1 metre near an IR sensor interfaced with Arduino Uno.


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