Here’s something fun from [Chad Kapper] over on HackMakeMod: Escape Room Lockbox with the Cheap Yellow Display. You may have heard of the “cheap yellow display” (CYD), so-called due to the board’s ...
This software approach uses both external and timer interrupt. Buttons are initialized as GPIO_EXTI. Remember PA8 and PC8 will be interpreted by CPU as the same interrupt source. From datasheet read ...
Debouncing is needed when there is a possibility of multiple calls to a method being made within a short duration of each other, and it's desirable that only the last of those calls actually invoke ...