Nous disions donc que le '''switch''' is a very simple object, but it does have one advanced feature: the sw.callback() function. The callback function sets up something to run when the switch is pressed, and uses an interrupt. It’s probably best to start with an example before understanding how interrupts work. Try running the following at the prompt: | Nous disions donc que le '''switch''' is a very simple object, but it does have one advanced feature: the sw.callback() function. The callback function sets up something to run when the switch is pressed, and uses an interrupt. It’s probably best to start with an example before understanding how interrupts work. Try running the following at the prompt: |