[Project Showcase] ESP8266 + DHT11: Real-time Temp/Humidity Monitor on Blynk

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Project Title: ESP8266 + DHT11: Real-time Temperature and Humidity Monitor

Hello everyone,

I’m excited to share my first project using the new Blynk IoT platform! I successfully connected a DHT11 sensor to an ESP8266 development board (NodeMCU) and am pushing real-time temperature and humidity data to a custom Blynk dashboard.

1. Hardware & Wiring

  • Microcontroller: ESP8266 (Specifically, the [NodeMCU V3 / Wemos D1 Mini / etc.]).
  • Sensor: DHT11 Temperature and Humidity Sensor.
  • Connection: The DHT11 Data Pin is connected to the ESP8266 GPIO [D4 / D2 / GPIO Pin Number].
  • Power: The setup is powered via [USB / External 5V supply].

(You can reference the photo of your hardware setup here if you are able to attach it to your post.)

2. Blynk Setup Details

  • Blynk Platform: Blynk IoT (Blynk 2.0)
  • Template Name: [Your Template Name, e.g., “Home Environment Monitor”]
  • Datastreams Used:
    • Temperature: V1 (Type: Float)
    • Humidity: V2 (Type: Integer)

3. Arduino Code (Sketch)

I used a simple BlynkTimer to read and push data every seconds.

[PASTE YOUR FULL ARDUINO CODE HERE]
(Remember to remove your Wi-Fi SSID, Password, and Auth Token before pasting!)

4. Output

The data is updating reliably on the web dashboard and the mobile app. It was a smooth process thanks to the Blynk documentation!

(Include a screenshot of your Blynk dashboard visualization here if possible.)

Let me know if you have any suggestions for improvements!

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