USB and serial backpack for simple HD44780 character LCD screens. A few nice features set it apart from the usual serial-only LCD backpacks:

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

 

• Manual
• Forum