1. © 2008 RoboRubik11 Technical Communication Skills Practicum Constraint Analysis

2. © 2008 RoboRubik2 Project Overview 2© 2008 RoboRubik A fully self-contained Rubik’s Cube solver A user interface will be used to input state of the cube via an embedded web server An algorithm will be used to send proper steps to solve the cube Cube will run in help and play modes Help mode aids user in solving cube Play mode allows user to manually solve cube

3. © 2008 RoboRubik3 Design Constraints 3© 2008 RoboRubik Size 9cm x 9cm x 9cm cube Power battery powered Memory solving algorithm web server

4. © 2008 RoboRubik4 Components Required 4© 2008 RoboRubik Major Components Embedded Wireless Device Microcontroller Minor Components Multicolor LEDs (x48, 8 per face) LED Driver ICs (x12, two per face) Pushbuttons (x6, one per face) DC-DC Converter 9V Power Supply

5. © 2008 RoboRubik5 Wireless Device Requirements 5© 2008 RoboRubik Product Specifications [1] Size 33.9mm x 32.5mm x 10.5mm Power 1300mW active 300mW inactive Interface 2 serial ports (921Kbps) Range 328 ft (indoors)

6. © 2008 RoboRubik6 Microcontroller Requirements 6© 2008 RoboRubik Product Specifications [2] Size 19mm x 44mm x 18mm Memory 32 KB Flash 2 KB RAM I/O 60 pins

7. © 2008 RoboRubik7 Questions

8. 8 References 8 [1] “WiPort - Embedded 802.11, Embedded Ethernet, 802.11g,” [Online document], [cited 2008 Jan 27], Available HTTP: http://www.lantronix.com/device- networking/embedded-device-servers/wiport.html [2] “MC9S12C32MFA25 Information,” [Online document], [cited 2008 Jan 27], Available HTTP: http://www.freescale.com/webapp/search.partparamdetai l.framework?PART_NUMBER=MC9S12C32MFA25&buyNow =true