Quiz-7->Air quality Monitoring using NODE MCU
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Question 1 of 5
1. Question
Q-1-: How many terminals does the MQ135 Gas Sensor have?
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Question 2 of 5
2. Question
Q-2-: Does the MQ135 Gas Sensor have a fixed sensitivity?
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Question 3 of 5
3. Question
Q-3-: What is the use of the MQ135 Gas Sensor?
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Question 4 of 5
4. Question
Q-4-: Gateway provides the connection between _________ and _________
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Question 5 of 5
5. Question
Q-5-: To measure the amount of gas,we will connect digital pin with Node MCU.
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