m qcardiac

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CAR- diac™ matt quantzt

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Page 1: M qcardiac

CAR-diac™

matt quantzt

Page 2: M qcardiac

C omprehensiveA utomobileR eal-Time andD iagnosticI nformationA cquisitionC ontroller

CAR-diac™

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Elevator Pitch

(I Always Use The Stairs)The CAR-diac™ is a comprehensive scan tool that reads malfunction and diagnostic

codes in addition to run-time data from RPMs to MPGs. It will save you money at

the mechanic and at the fuel pump. Ensure your kids are driving responsibly. It makes the perfect for dads and grads, so don’t

wait! Get YOURS Today!

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CAR-diac™:• diagnoses check engine (MIL) lights• displays real-time operating data• provides hands-free voice feedback• logs critical data

What Does It Do?

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How Does It Work?

• Communicates with the Engine Control Unit (ECU) via the OBD-II protocol

• Sends Parameter ID codes (PIDs) and AT commands

• Receives encoded data• The PID data is decoded and

processed

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Why Buy?• Save trips to your

mechanic/dealer• Monitor your driving

habits• Accurately tune your car• Spy on your kids• Reconstruct traffic

accidents

• Because you don’t own enough gadgets

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mbed NXP LPC1768 ARM Cortex-M3Fcpu: 96 MHz, 512 kB FLASH,

32 kB RAM, Max CurrentDrawn: 120 mA

Peripherals:Ethernet, USB Host, USB Device, SPI, I2C, CAN, Analog In/Out, PWM Out

Show Me The Brain!

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NGX mX Baseboard

Show Me The Body!LCD (Upgraded to 20x4) Ethernet

Audio Out

RS-232

VGA

PS/2

BUZZEREEPROMSD Card

JTAG

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Show Me The Mouth!

SpeakJetVoice And Complex Sound Synthesizer IC

TTS256Letter to Sound Translation IC

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Honeywell HMC6352 Digital Compass:

• I2C interface• 20 Hz update

Show Me The Eyes!

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Show Me The GUTS!

SparkFun’s OBD-IITo UART Board

Utilizes STN1110 OBD toUART interpreter

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Show Me The GUTS!

DB-9 Connector mates withDB-9 to OBD-II Cable

TTL UART Interface toMicrocontroller

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Show Me The GUTS!

Supports all legislatedOBD-II protocols

Can power itself and thesystem from the car battery

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I'm There

Find Me On The Internet

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• Interesting project• Learned a lot about ECUs and the sensor data

they collect• Revealed an unknown method of

commercializing ideas• SVN is a necessity, not a luxury• Need remote programming interface• Need off-line compiler• Need more time in a day

Reflections

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Questions?

Image of full-scale wire frame replica Countach courtesy of the artist, Benedict Radcliffe. Used without permission. Same for the following picture of Pizza the Hutt.

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Let’s Eat Some Pizza!