Jeff Burch Simon Dakermanjian Mazen Arakji Jonah Kadish Derek Smith R. A. H. M. Jeff Burch Simon Dakermanjian Mazen Arakji Jonah Kadish Derek Smith

R. A. H. M. Brief Overview Real Time Athlete ECK measures electrical activity of the heart 3 electrodes Real Time Athlete Health Monitor

ECG Data

R. A. H. M. Circuit Diagram Real Time Athlete Block One Block Five Block three Real Time Athlete Block Four Block two Health Monitor

R. A. H. M. Block One Real Time Athlete Differential Amplifier Takes three inputs Has a gain adjustment Real Time Athlete Health Monitor

R. A. H. M. Block Two Real Time Athlete High pass filter Tried to filter motion artifact Real Time Athlete Health Monitor

R. A. H. M. Block Three Real Time Athlete First LPF Gain is 1 Cuttoff is 20 Hz Real Time Athlete Health Monitor

R. A. H. M. Block Four Real Time Athlete Second LPF Gain is 2 Cuttoff is the same as the first LPF Real Time Athlete Health Monitor

Block Five Gain Block of 2

Complete Circuit

Power Issues Oscilator 5 V Micricontroller 3.6 V Transmitter 9 V ECG circuit +/- 9V Transformer

R. A. H. M. Microcontroller 16 bit RISC processor 22 I/O pins 10 bit, 200ksps ADC 4kB program memory 256B RAM USART included Real Time Athlete Health Monitor

Microcontroller Architecture R. A. H. M. Microcontroller Architecture 51 instructions, 7 addressing modes 16 registers, 12 general use 6 software configurable power modes Interrupt-driven I/O, ADC, UART Linearly Addressed RAM, Program Memory, and Interrupt Vectors Requires external oscillator for stability/ADC Real Time Athlete Health Monitor

Microcontroller Layout R. A. H. M. Microcontroller Layout Real Time Athlete Health Monitor

Microcontroller Interface R. A. H. M. Microcontroller Interface Real Time Athlete Health Monitor

R. A. H. M. Microcontroller/RF Real Time Athlete Health Monitor

9XStream™ 900 MHz Wireless OEM Module R. A. H. M. 9XStream™ 900 MHz Wireless OEM Module Long Range -110 dBm receiver sensitivity (industry avg. only -93 dBm) Up to 1500 ft. (450 m) indoor/urban (900 MHz) Up to 7 mi. (11 km) line-of-sight w/ dipole Up to 20 mi. (32 km) line-of-sight w/ high gain Low Power 150 mA transmit / 50 mA receive current Power down current to <26 µA Very Robust and Sophisticated Numerous Communication Options (UART) Well Priced Around $200.00 Real Time Athlete Health Monitor

Communication Details R. A. H. M. Communication Details Perfect Match to Our Requirements Stops Us from “Reinventing the Wheel” Easily Configured Set up for Scalability Real Time Athlete Health Monitor

R. A. H. M. Data Packet Details Real Time Athlete Health Monitor

Transceiver Configuration R. A. H. M. Transceiver Configuration Real Time Athlete Health Monitor

R. A. H. M. Data Filtering Real Time Athlete Health Monitor

R. A. H. M. Real Time Athlete Health Monitor

R. A. H. M. Real Time Athlete Health Monitor

Base Station Interface R. A. H. M. Base Station Interface Two Options Real Time Athlete Standard Pins and VCC CMOS Levels and SCI Interface Capabilities of the HC11 Health Monitor

R. A. H. M. BASE STATION Current Status Future Objectives Operating Parts Tests Performed Parts Listing Future Objectives Parts to be Added/Replaced Tests to be Performed Real Time Athlete Health Monitor

R. A. H. M. Current Board                                                                         Real Time Athlete Health Monitor

R. A. H. M. schematic Real Time Athlete Health Monitor

R. A. H. M. Buffers and Latch Buffer Latch Real Time Athlete Safeguard for transfer of bit values Latch Maintains correct functionality between low order address bits and data bits. Also acts as a buffer Real Time Athlete Health Monitor

R. A. H. M. EPROM Real Time Athlete 32Kx8 EPROM Chip Select Connected to ground Pin A15 not terminated Real Time Athlete Health Monitor

Safety Tests Completed R. A. H. M. Safety Tests Completed Diode Bridge Incase opposite polarity is applied Noise Tests Before Power Bus At System Power of HC11(84mV) Individual Chips                                                                         Real Time Athlete Health Monitor

R. A. H. M. Parts Listing Current Components Future Components MC68HC11 EPROM BUFFERS/LATCHES 5V REGULATOR RESET SWITCH Future Components Xilinx FPGA SRAM Bi-directional Transceiver LCD Real Time Athlete Health Monitor

R. A. H. M. LCD Real Time Athlete 20x4 Basic Control Pins R/W 0 = Write, 1 = Read E Enable pin of processor RS Register Select (0 = Instruction Register, 1 = Data Register) D0-D7 Data Pins Real Time Athlete Health Monitor

Costs Current Costs Future Costs Micro Controller (donated) Harness: $30 3 Transceivers, with 2 RS232 interface: $230 Future Costs LCD: $40

R. A. H. M. Upcoming Plans/Tests Real Time Athlete Test if HC11 can fetch and execute instructions (NO OP NO OP NO OP JMP). Implement Xilinx FPGA. Run same basic code. Introduce SRAM and use Xilinx for Chip Select. Run same basic code. Begin writing useful code. Real Time Athlete Health Monitor

Basic Chip Select Circuit R. A. H. M. Basic Chip Select Circuit Real Time Athlete Health Monitor

R. A. H. M. Memory Mapping Real Time Athlete Using Pins A15, A14 and A13 for Chip Select Real Time Athlete Health Monitor

R. A. H. M. schedual Real Time Athlete Health Monitor

R. A. H. M. Future Plans Milestone I Milestone II Real Time Athlete Transmitter sends accurate ECG data Writing useful code to process data Milestone II Outputting heart rate to LCD Real Time Athlete Health Monitor

R. A. H. M. Division of Labor Derek & Jeff Sensing, digitalizing, and transmitting data Jonah RF Communication Help to link both sides Simon & Mazen Receive, Process, and Output data Real Time Athlete Health Monitor