Now that you have had the opportunity to experiment with sensing switches, we need to develop the code to add the external buttons to the Internet radio.
We will use four buttons, which are as follows:
The code for adding a switch interface is encapsulated enough to provide a small demo of the buttons in action using IDLE3 before we combine the code.
The complete demo code is shown after the following paragraph. You have the option to type it in and then save ...