Button Scan Routine with Release Detection for MCU Sleep Control
This button scanning routine is designed to manage a power-saving feature: a long press of the button triggers a shutdown of all MCU peripherals (simulated by turning off an LED), but the actual sleep mode is only entered after the button is released. This prevents accidental wake-ups by ensuring the user intentional completes the press-and-rel ...
Posted on Fri, 15 May 2026 11:36:59 +0000 by stylefrog