Update public/assignments/week13.html

public/assignments/week13.html

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       <p> BME280 – </p>
       <img src="../images/13bmepin.jpg" alt="Description of image" width="400"/> <!-- Insert your image here -->
 
+      <h3> Communication Protocol Used to trasfer data to thingspeak</h3>
+
+      <p> To trasfer data collected by BME sensor to thingspeak cloud using Xiao esp32c3 microcontrollor board, i used i2c and internet protocols.</p>
+
+      <h4> I2C (Inter-Integrated Circuit):</h4>
+      <p> I2C is a communication protocol commonly used to connect multiple devices on a single bus. It allows for bidirectional communication between a master device (in this case, the Xiao ESP32C3) and one or more slave devices (such as the BME sensor). The ESP32C3 communicates with the BME sensor using I2C to retrieve sensor data.</p>
+
+      <h4> Internet Protocol </h4>
+
+      <p> The Internet Protocol (IP) is the fundamental protocol used for communication over the internet. It provides a way to send packets of data across networks. In your case, the Xiao ESP32C3 uses the IP protocol to establish an internet connection and communicate with ThingSpeak.</p>
+
 
       <h3> Libraries </h3>