Digi - Brush Josh Long Katie Schremser Caleb Ayew-ew

Project-Specific Success Criteria 1. An ability to display images on the display board 2. An ability to track the digital brush on the display board 3. An ability to mimic paintbrush stroke characteristics on the display board 4. An ability to save the painted image on a SD card 5. An ability to distinguish user’s color selection and display selected color before being painted

Block Diagram

Most Important Constraints Display interfaces with microcontroller ◦ Being able to send data from microcontroller onto the screen ◦ Being able to receive data from touch screen ◦ Serial and VGA communication Being able to support all peripherals on one microcontroller ◦ ATD ◦ SPI ◦ SCI ◦ I2C

Component Comparisons/Alternatives Display/Touch System ◦ Separate monitor and touch screen  NL10276AC24-02 (NEC) (monitor)  KIT121TOUCH (EarthLCD) (touch screen) ◦ Combined  NEO 15.1” (CyberTouch) Graphics Controller ◦ Pre-built VGA controller  uVGA-PICASO-MD1 (4D Systems) ◦ 16-bit i80 CPU Interface  PICASO-SGC (4D Systems)

Selections Display System ◦ Combined monitor and touch screen ◦ NEO 15.1” (CyberTouch) Graphics Card ◦ uVGA-PICASO-MD1 (4D Systems)