USB & serial LCD backpack

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Project Summary
Name: USB & serial LCD backpack
Buy it: Get one for $16.95 at Seeed Studio
Price: $16.95
Status: Test production
Manufacturing: Shipping
Forum: USB & serial LCD backpack Forum
Pic-lcd-backpackv2 .jpg

Read about the design.

Available for $16.95 at Seeed Studio.

This is a USB and serial backpack for simple HD44780 character LCD screens. It has a few nice features that set it apart from the serial-only LCD backpacks at SparkFun and Adafruit:

  • USB and serial control of characters LCDs
  • Supported in common software (LCD Smartie) as 'matrix orbital' display
  • Adjust contrast and backlight from software
  • Couple extra pins for buttons
  • 500mA fuse
  • USB upgradable



PIC LCD backpack.png



Software and drivers


Development resources

The controller implements a (subset) of the serial interface used by common Matrix Orbital Serial LCDs.



  • Hardware: CC-BY-SA
  • Software: CC-BY-SA
  • Firmware: CC-BY-SA
  • Bootloader: GPL