1. Jump Trading Medical Simulator Tommy Shiou & Nick Cialdella TA: Justine Fortier

2. Introduction Medical Training Problem –Complex Controls What we are doing –Control Interface –Minimize head movement

3. Features Provides user-friendly interface to control medical simulations Allows control without distracting technician from ongoing simulation

4. System Overview

5. Power Supply PCB 12 V DC input 12 V –Arduino –LEDs 5 V Linear Regulator –RPi –Displays –Resistor network 3.3 V Linear Regulator –Buttons –LEDs

6. Power Supply Schematic

7. Control Interface Pushbuttons SPST-NO switch Selects parameters to be changed Verified: selection on GUI Rotary Encoder Outputs 2-bit gray code Sweeps parameters Verified: confirmed output on GUI http://www.digikey.com https://www.sparkfun.com/products/10982

8. Control Interface (cont.) Rotary Switch 5-position switch Selects transition time to new parameter values Verified: selection on GUI R-NET SCHEMATIC http://www.digikey.com

9. Display LCD 2x 10.1” LCD Panel 1280x800 Resolution LVDS interface Off-the-shelf (OTS) HDMI-LVDS Converter Converts Rpi HDMI output to LVDS for LCD display (OTS) http://www.chalk-elec.com/?page_id=1280#!/~/product/category=3094861&id=14647633 http://www.chalk-elec.com/?page_id=1280#!/~/product/category=3094861&id=14647624

10. MicroControllers Raspberry Pi OS - Raspbian “Wheezy” (Debian) –LXDE UART pins Arduino Uno 18 Digital & 1 Analog Pins http://www.raspberrypi.org/wp- content/uploads/2011/07/7513051848_9a6ef2feb8_ o.jpeg http://arduino.cc/en/uploads/Main/ArduinoUno_R3_Front.jpg

11. Communication RPi - Arduino USB interface –A-to-B USB 9600 Baud Rate –1200 characters/sec –10-char messages Testing & Verification –MiniCom – Arduino Serial Monitor http://www.raspberrypi.org/wp-content/uploads/2012/05/arduinopi.jpg

12. Input Controller Encoder Interrupt Handler

13. Application Software

14. Communication RPI - PC 3.3V FTDI USB-UART –Serial Monitor ApplicationController.cs –Access current values 9600 baud rate –Effect on Rpi Testing & Verification –MiniCom – PuTTY https://www.sparkfun.com/products/9873

15. PC-side System Laerdal Software Learning C# –Model-View-Controller Serial Monitor –Drivers –Event-driven Application Specific –Graphical User Interface –Trends, Delay http://www.codeproject.com/KB/dialog/383153/mvc.PNG

16. Costs Input Hardware: $110 Display: $300 Microcontrollers: $80 Power: $30

17. Future Work PCB for interconnections between interface, power, and microcontrollers Fusing and further stabilization – requires additional expense Software compatibility customized to Jump Trading (trends) Non-specific device driver development

18. Acknowledgements Jump Trading –Jimmy Rowland –Dr. Vozenilek Justine Fortier Glen Hedin – Machine Shop Parts Shop –Mark Smart –Wally Smith

19. Questions??