Flipper Zero USB safety scanner: tells a charge-only port from a data port, and catches a 'flash drive' that is really a keyboard. Reads the resistors USB uses to declare itself - no USB host needed.
rubber-ducky stm32 badusb fap embedded-c hardware-security flipperzero flipper-zero usb-security juice-jacking
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Updated
Jul 20, 2026 - C