Product Specs

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3. The power LED will flash 2 times/second. This indicates that the LUD29973 is attempting to
ready the firmware update drive.
4. Your notebook/PC will detect the firmware update drive within 3 seconds. When the firmware
update drive is detected, the power LED will remain steady on (not flashing), and the
PC/notebook will display a message box indicating it discovered a USB mass storage device.
5. Updating the ST MCU firmware