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Home Automation Project – Nodemcu ESP8266 And 8 Channel Relay Board With Full Programming.

৳ 1,299

NodeMCU is very popular in Home Automation. It’s WiFi capabilities and Arduino IDE support making it easier for IoT Applications. It is very tiny and has many Digital I/O pins, Serial Communication and I2C Communication. NodeMCU has a micro USB port to program it using your existing mobile cable (no additional programmer needed). There is a successor called ESP32 Development board which has more Analog pins and Digital pins. You can use any one of them for this project according to your requirements. Here we will be using NodeMCU.

Blynk is a mobile application which has its own server to process user requests. It is an open source application and anybody can use it in their Home Automation to control devices, monitor sensor data and get a notification by some trigger actions. It has a nice GUI with Graphs, Timers, Slider, Joystick and even Video Streaming. You can also make your own app and publish it in Google play store.

Components required:

Hardware:

1.NodeMCU Development board
2. 4 Channel Relay
3. USB cable
Software required:

Blynk App
Arduino IDE

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