Category Archives: ESP8266

Nodemcu pinout

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Nodemcu pinout is having labels D0 to D8 and RX-TX but when programming it using Arduino IDE we observe that its labels are not matching with IO connections. Lets see actual connections of NodeMCU with ESP8266 i.e. ESP-12.

NodeMCU is an open source IoT platform. It includes firmware which runs on the ESP8266 Wi-Fi SoC from Espressif Systems, and hardware which is based on the ESP-12 module. The term “NodeMCU” by default refers to the firmware rather than the dev kits. Continue reading Nodemcu pinout →

Thing Speak ESP8266

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ThingSpeak™ is an IoT analytics cloud platform service that allows you to aggregate, visualize and analyze live data streams in the cloud. ThingSpeak provides instant visualizations of data posted by ESP8266 to ThingSpeak. ThingSpeak is often used for prototyping and proof of concept IoT systems that require analytics.

In this tutorial, We will learn following thinds

  1. How to Configuring ThingSpeak Cloud server Account ?
  2. How to program ESP8266 to upload sensor data ?

Continue reading Thing Speak ESP8266 →