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USB + Serial RGB Backlight Character LCD Backpack FAQ

USB + Serial RGB Backlight Character LCD Backpack

Control an RGB Character LCD with USB or TTL Serial

by Tyler Cooper
published February 06, 2013, last edited July 28, 2025
posted in LCDs & Displays/ Character Displays LCDs & Displays/ Graphic LCDs
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Project guide

FAQ

I changed LCD size, but it is not working.

Try power cycling. The commands to change size write the values to EEPROM. A power cycle will then force a reading of these new values.

Page last edited May 08, 2024

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