Digi - BrushDigi - Brush

Josh LongKatie SchremserCaleb Ayew-ew

Project-Specific Success Project-Specific Success CriteriaCriteria1. An ability to display images on the

display board2. An ability to track the digital brush

on the display board3. 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 DiagramBlock Diagram

Most Important Most Important ConstraintsConstraintsDisplay 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 Component Comparisons/AlternativesComparisons/AlternativesDisplay/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)

SelectionsSelectionsDisplay System

◦Combined monitor and touch screen ◦NEO 15.1” (CyberTouch)

Graphics Card◦uVGA-PICASO-MD1 (4D Systems)