3 easy steps to build a WiFi Temperature Sensor (ESP8266)

NodeMCU ESP8266

In my last post a few weeks ago, I built a Temperature Sensor using an Arduino. This temperature sensor was limited to reading the current temperature using an LM35DZ sensor. I could’ve wired it up to a I2C display (Perhaps I’ll have a separate post for it). However, the real fun begins when sensors are able to communicate over the Internet. That way you can record and graph the data.

In this post, I’m going to take you through building a WiFi temperature sensor using the popular ESP8266 dev board.

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