Arduino IOT Project: Monitor Multiple analog sensors using Nodemcu ESP8266 and blynk

Download circuit diagram and Programming:
http://www.electroniclinic.com/monitor-multiple-analog-sensors-using-nodemcu-esp8266/
Download Libraries:
https://www.electroniclinic.com/arduino-libraries-download-and-projects-they-are-used-in-project-codes/
nodemcu board and library setup:
https://youtu.be/McTKlKnR07Q

Nodemcu power supply making:
https://youtu.be/FWYXp--6OAI

learn how to make a schematic and PCB:
https://youtu.be/pzFj3mx1v78

Relay driver circuit design calculation:
https://youtu.be/kXaVMAvHRtE
Project Description:
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My previous tutorial was based on how to monitor an analog sensor using only Nodemcu esp8266 and Blynk application. The disadvantage of using the only Nodemcu is that you can monitor only one analog sensor, as in Nodemcu we have only one analog pin A0. There are situations when we need to monitor multiple analog sensors. But the question is how we can monitor multiple analog sensors as Nodemcu has only one analog pin A0. Well, my friends at this point we have two options.
1. We can use a multiplexer with Nodemcu esp8266 wifi module and connect multiple analog sensors.
2. We can use Arduino Uno or mega with Nodemcu esp8266 wifi module and connect multiple sensors.

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DISCLAIMER: This video and description contain affiliate links, which means that if you click on one of the product links, I will receive a small commission. This helps support the channel and allows me to continue to make videos like this. Thank you for your support!
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email: engrfahad@electroniclinic.com
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