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What is ESP8266?(a) Sensor(b) WIFI module(c) Board(d) USB cableI have been asked this question during an interview.My doubt is from Humidity Sensor in portion Sensors of IOT

Answer» RIGHT choice is (B) WIFI module

Easiest explanation: ESP8266 is a WIFI module, which is serial. And ALSO it is small, cheap, and easy to USE.


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