3.4 How to upload a code
1. To upload the code in Arduino UNO firstly, connect Arduino UNO with your Laptop or PC via USB A to B cable as shown below:
2. Now, select Arduino UNO board type in Arduino IDE: Go to tools <Board< Arduino AVR boards < Arduino UNO.
Note: If you have some older version of Arduino IDE then Go to tools< Board < Arduino Uno.
3. Then, again go to tools and select the Port as shown below:
Note : If the port is not coming,then check if the driver is installed in your PC or not.Please follow the steps mentioned in previous topic.
4.Now, click the upload button and when the uploading will be finished then you will see uploading finished written below.
Note : If the uploading is not finished then there are some error in the code.