![]() In this project, you will learn completely how to connect the Nodemcu module with the Arduino and how to establish Serial Communication. So, that’s the reason I am using Arduino Uno with the Nodemcu Module. So the easiest option is to use the Arduino Uno or Mega with the Nodemcu ESP8266 Wifi module. We can also use a multiplexer, but that needs wiring and complicated programming which we really don’t want. My replay is, always use Arduino or Mega with the Nodemcu Module. ![]() I have been frequently asked by my followers on YouTube Channel “Electronic Clinic” that how to connect multiple analog sensors or how to increase the IO pins of the Nodemcu Module. You know very well the Nodemcu ESP8266 Wifi module has a very limited number of the IO pins, and there is only 1 analog Pin. I know we can make the same project using only the Nodemcu ESP8266 Wifi module, and we can reduce the project size, power and building time, etc. ![]() I would appreciate your support in this way! I may make a commission if you buy the components through these links. Without any further delay, let’s get started!!! Amazon Links: I will also explain when and when not use the Arduino Uno with the Nodemcu ESP8266 wifi module. In this Tutorial, I will also explain why we need to connect the Nodemcu and Arduino Uno together. All the sensors and loads will be connected in a normal way. In this project, no multiplexers will be used. Monitoring two Analog sensors is only possible due to the use of the Arduino Uno.Īt the end of this tutorial, you will be able to monitor multiple analog sensors and you will also be able to control multiple loads. The Variable Resistor and LDR values will be displayed on the Gauges using the Blynk Application. ![]() For the demonstration purpose in this project LDR and variable resistor will be monitored using the Blynk Application. Nodemcu with Arduino– In this tutorial, you will learn how to do Serial communication between Arduino and Nodemcu esp8266 wifi module. ![]()
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