2018-07-12, 07:32
- RESET: It just restarts your system.
- BOOT0: Can be used for firmware flashing in DFU-mode over USB (see documentation).
- BOOT1: Hold this button while pressing reset: Either it enables a special debug mode (short press, then press it again) without hardware watchdog. Or you can reset to default settings when you hold it for several seconds (until long beep).