Thinger.io and ESP32 based two way communication system, Sensor Monitoring and controlling devices

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Project Description:
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In my previous video, I used thinger.io IoT Cloud platform with Nodemcu ESP8266 WiFi module for controlling electrical devices. This project was based on one-way communication and I was only able to control electrical devices. I did it on purpose, as my main focus was to explain how to get started with Thinger.io. So, if you are just getting started with thinger.io then I highly recommend, you should watch my previous video. I will provide a link in the description.
Now, in today’s episode, I am going to explain how to make a two-way communication monitoring and control system using my designed ESP32 WiFi + Bluetooth development board, a potentiometer which I am going to use as an analog sensor, and some 110/220Vac bulbs.
Anyway, this is the prototype model. I have connected everything as per the circuit diagram which I will explain in a minute. Previously, I was using a separate relay module while this time I have soldered everything on a single PCB except the Potentiometer.
For demonstration purposes, I am using 4 bulbs that are connected to 4 relays. Besides lights, you can use any other 110/220Vac loads or use any other DC type loads.
If you want to use 110/220Vac supply, you must not forget to use protective gloves, because 110/220Vac can prove fatal. So, as far as possible you must ensure the presence of a friend or any companion while carrying on work on such projects. When the AC supply is ON, do not touch the relay module. Let’s go ahead and start a practical demonstration so that you can see everything for yourself.
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Amazon Purchase links:
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12v Adaptor:
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2n2222 NPN transistor
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Electronic Clinic helps the students and other professionals to learn electronics, designing, and programming. Electronic Clinic has tutorials on Arduino, Arduino Nano, Raspberry PI, image processing, gsm based projects, Bluetooth based projects, esp8266 projects, Nodemcu projects, robotics, desktop application designing and programming, PLC, SCADA, RC Planes, Electronics, Power Generation, HMI, and much more. Check my Playlists.

[@slavaniohabed3908]

Do i need to change something in my code to send data from the thinger cloud to my device?

[@HarbansSingh-ce2tm]

Good video bro......

[@ElectroniClinic]

Thank you dear

[@hanaanosibh]

Can I get a code?

[@ElectroniClinic]

you can download it from the article. kindly, check link in the description.

[@mohmmadismail521]

How to Control LED Billing Time with Potentiometer 1 second to 1 minute

[@ElectroniClinic]

Use a timer.

[@ElectroniClinic]

For this you can use millis function.