Switch Detection | Microcontroller › AVR › Switch Detection › Switch Detection September 5, 2015 at 5:17 am #13267 Prabakaran P MParticipant Hi, As we know there are two external interrupt pins in the atmega8, you have to go for polling for detecting 5 switches. my suggestion for you to choose Atmega 168/328 to make use of PIN change interrupt.
