I am working on a project using ATmega328 that requires waking up from sleep mode using button presses. Several articles explain how to do that by connecting the button to the interrupt line INT0 or INT1. However I have 4 SPST buttons but only 2 interrupt lines. Each button needs to be able to wake…

Wake up from 4 different buttons.

Topic		Replies	Views
Multiple buttons to one interrupt pin General Electronics	3	1968	May 6, 2021
RF Remote Control - Sleep with many Buttons - how? General Guidance	7	1128	May 5, 2021
Triggering an interrupt using multiple buttons General Electronics	4	2190	May 6, 2021
Using multiple hardware interrupts on ATTiny84 3rd Party Boards	11	5512	May 6, 2021
Low power project, interrupt attached to 6 buttons General Guidance	12	3564	May 5, 2021