Thorlabs upLED LED Driver - Firmware Changelog This firmware is a device internal program for upLED LED Drivers. For installation instructions consult the users manual. Changelog May-05-2021 V1.2 Initial Release Feb-17-2022 V1.3 - NEW: Added support for alternative LED EEPROM. The firmware now supports LEDs with both EEPROM types DS28E07 and DS28EC20.