The device has an ESP32-S2 module that allows it to be identified as a keyboard + USB disk. It also a microSD slot that can be identified as
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WUD Introduction The device has an ESP32-S2 module that allows it to be identified as a keyboard + USB disk. It also a microSD slot that can be identified as MSC SD Card. The new ESP32-S2 module from…
Read More…The device has an ESP32-S2 module that allows it to be identified as a keyboard + USB disk. It also a microSD slot that can be identified as MSC SD Card.
The new ESP32-S2 module from Espressif addresses the security flaws in the original ESP32. While the ESP32-S2 does include improved security features, it lacks the Bluetooth capabilities of the original ESP32 module. But it supports native USB.
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17mm x 50mm (Without USB case)19mm x 62mm (With USB case)GPIO 21The ESP32-S2 chip needs to be in bootloader mode for the detection as a DFU device and flashing. This can be achieved by pulling GPIO0 down, pulsing RESET down for a moment and releasing GPIO0.
How to make the ESP32-S2 go to bootloader mode - Plug the WUD to laptop - Pull down and hold the GPIO0 button - Press the reset button, WUD will go to bootloader mode now
The pre-flashed firmware is "wireless USB disk". It use ESP32-S2 as an USB Disk with Wireless accessibility. HTTP file server be used with both upload and download capability.
Note: It's a demo code. Don't use it in serious application.
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