Setup Thingspeak With ESP & DHT11
ThingSpeak is an IoT analytics platform service that allows you to aggregate, visualize, and analyze live data streams in the cloud. You can send data to ThingSpeak from your devices, create instant visualization of live data, and send alerts.
ThingSpeak has integrated support from the numerical computing software MATLAB from MathWorks, allowing ThingSpeak users to analyze and visualize uploaded data using MATLAB without requiring the purchase of a MATLAB license from MathWorks.
Getting started with thingspeak
Step 1 – Open this website www.thingspeak.com
Step 2- Click on Get Started For Free.
Step 3 – Click on Create one! To create a login account
Step 4 – Click on Channels and then click on My Channels
Step 5 – Click on New Channel.
Step 6 – Write the Name of the channel and field .
Step 7 – Write the Name of the channel and field .
Step 8 – Click the Save Channel button to create and save your channel.
Step 9 – Go to your Private View tab and click on the edit icon.
Step 10 – You can give a title to your chart, customize the background color, x and y axis, and much more.
Step 11 – To send values from the Node MCU to ThingSpeak, you need the Write API Key. Open the “API Keys” tab and copy the Write API Key.
Connect ESP to upload the DHT-11 sensor Data to Thingspeak
Setup a programming environment for ESP in Arduino IDE – Setup ESP 8266 in Arduino IDE
✘ Connect Vcc pin of the sensor to 3V3 pin of Node MCU.
✘ Connect GND pin of the sensor to GND pin of Node MCU.
✘ Connect signal pin of the sensor to D5 pin of Node MCU.
GitHub – code