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Here you can find user manuals, software updates and other helpful files for my projects.

NixC

LetB

LetB v2 Basic

LetB v2 PRO

LetB v3

LetB Color

LetB Color v3.3 Upgrade

LetB Color v3.2

LetB v2.2 – time fix

CH340 Driver

Bluetooth app iOS

Bluetooth app Android