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Which of the following is the Wireless battery-free sensor?

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in IOT by (70.0k points)
Which of the following is the Wireless battery-free sensor?

(a) LM35

(b) RFM3200

(c) ESP8266

(d) DHT11

This question was addressed to me by my school teacher while I was bunking the class.

I want to ask this question from Temperature Sensor in section Sensors of IOT

1 Answer

+1 vote
by (1.4m points)
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Best answer
Correct choice is (b) RFM3200

The explanation: RFM3200 is a wireless battery-free temperature sensor. This flexible sensor is designed to monitor the environment and material temperature in a wide range of settings.

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