README File

README.md

@@ -108,3 +108,30 @@ its password. Also, it is neccessary you complete with the data from the ThingSp
 the **Channel ID** and your **Write API Key**.
 
 ![Filling in wifi password](14.png)
+
+## Upload your code
+In the Arduino IDE follow the next instructions:
+**Tools > Board > ESP32 Arduino > Adafruit ESP32 Feather**
+
+![Uploading the code](15.png)
+
+Now you have to check the CPU settings for the microcontroller are correct. In the Arduino IDE go to the 
+**Tools** option in the menu.
+
+![Uploading the code](16.png)
+
+It is important you note these options might not be the same for your IDE; it depends on the version you have 
+installed for the Arduino IDE. Just match these options as closely as possible.
+
+Now you can **compile** and **upload** the code to your board.
+
+Once the code is uploaded, open the _Arduino Serial Monitor_.
+
+![Serial monitor](17.png)
+
+Set the options to **carriage return** and **9600 baud**. You should see something similar to the next image:
+
+![Example 1](18.png)
+
+It is important you notice not all the measurements are sent to the ThingSpeak platform. The sending occurs every 
+15 seconds only.