Midterm Presentation Tuesday, February 05, 2002 Who are we? Who - - PowerPoint PPT Presentation

midterm presentation
SMART_READER_LITE
LIVE PREVIEW

Midterm Presentation Tuesday, February 05, 2002 Who are we? Who - - PowerPoint PPT Presentation

We watch so you dont have to. Midterm Presentation Tuesday, February 05, 2002 Who are we? Who are we? Nate Distel: Nate Distel: MCU, Sensors MCU, Sensors Solomon Gibbs: Solomon Gibbs: Linux, Net Code Linux, Net


slide-1
SLIDE 1

“We watch so you don’t have to.”

Midterm Presentation

Tuesday, February 05, 2002

slide-2
SLIDE 2

February 05, 2002 February 05, 2002 2

Who are we? Who are we?

  • Nate Distel:

Nate Distel: MCU, Sensors MCU, Sensors

  • Solomon Gibbs:

Solomon Gibbs: Linux, Net Code Linux, Net Code

  • Max Vilimpoc:

Max Vilimpoc: Serial Code, Linux Serial Code, Linux

  • Aravind

Aravind Mikkilenini Mikkilenini: : Linux, Serial Code Linux, Serial Code

  • Rich Fouts:

Rich Fouts: Wireless Comm. Wireless Comm.

  • Mike

Mike Volkerding Volkerding: : Sensors, Power Sensors, Power

  • Pat Stemen:

Pat Stemen: MCU, Organization MCU, Organization

slide-3
SLIDE 3

February 05, 2002 February 05, 2002 3

Graphical View: Graphical View:

PIC 16F877

LM 34

  • Var. R

DIP Switches Real Time Clock Abacom Wireless Serial Transmitter

Wireless Sensor Module

Abacom Wireless Serial Transmitter Maxim MAX233 RS-232 Driver DB9 Serial Port Connector

Sensor Data Receiver

slide-4
SLIDE 4

February 05, 2002 February 05, 2002 4

Project Basics Project Basics

  • Start With Basics:

Start With Basics:

– – Use PIC MCU with onboard A/D Use PIC MCU with onboard A/D

  • Temperature, Resistance sensing

Temperature, Resistance sensing

– – Use Digital I/O on PIC Use Digital I/O on PIC

  • Digital On / Off

Digital On / Off – – different uses depending on different uses depending on platform platform

– – Simple Wireless Interface Simple Wireless Interface

  • Abacomm

Abacomm 433Mhz Wireless Modules (9600bps / 433Mhz Wireless Modules (9600bps / Simplex) Simplex)

slide-5
SLIDE 5

February 05, 2002 February 05, 2002 5

Project Extras Project Extras

  • Use basics to develop unique features

Use basics to develop unique features

– – User Interface Development for various User Interface Development for various platforms platforms – – Work with unique sensors (accelerometers) Work with unique sensors (accelerometers) – – Real Real-

  • Time Clock Module

Time Clock Module – – Variable Variable-

  • Length Packet Data

Length Packet Data

slide-6
SLIDE 6

February 05, 2002 February 05, 2002 6

User Interface User Interface

Runs Under GTK, Motif, Win32 Runs Under GTK, Motif, Win32

  • Written in Cross

Written in Cross-

  • Platform

Platform C+ + ( C+ + (wxWindows wxWindows) )

  • Connects to Remote host

Connects to Remote host via Serial or IP via Serial or IP

  • Currently Working on:

Currently Working on:

– – Improving Parser Improving Parser – – Writing a Custom Data Writing a Custom Data Plotting Widget Plotting Widget

  • Plan To Add:

Plan To Add:

– – Remote Control Functions Remote Control Functions – – Data Logging Data Logging

slide-7
SLIDE 7

February 05, 2002 February 05, 2002 7

Sensors / Accelerometer Sensors / Accelerometer

  • Analog Devices ADXL202

Analog Devices ADXL202

– – 2 2-

  • axis,

axis, ±

±2g sensor sensitive

2g sensor sensitive enough to measure gravity. enough to measure gravity.

– – Integration of this module will

Integration of this module will provide: provide:

  • Acceleration

Acceleration

  • Velocity

Velocity

  • Position

Position

– – Possible applications include:

Possible applications include:

  • Realtime

Realtime mapping of operating mapping of operating environment relative to start environment relative to start position (Caldwell Labs) position (Caldwell Labs)

  • Absolute position mapping with

Absolute position mapping with GPS interface for initial location GPS interface for initial location reading reading

CL380 CL378

slide-8
SLIDE 8

February 05, 2002 February 05, 2002 8

Wireless Communications Wireless Communications

  • TXM Series transmitter and SILRX Series

TXM Series transmitter and SILRX Series Receiver Receiver

  • FM Range

FM Range

  • 433 MHz

433 MHz

  • Supply Voltage 4.5v

Supply Voltage 4.5v – – 9v 9v

  • Small Size

Small Size

  • Easy to use!!

Easy to use!!

slide-9
SLIDE 9

February 05, 2002 February 05, 2002 9

Data Packets Data Packets

0xA5 0x5A Elapsed Minutes Elapsed Seconds Elapsed Milliseconds #Digital:#Analog Sensors Analog Data (2 bytes each) Digital Data (1 byte each) Checksum 0xFF START Relative Time Sensor Data END

slide-10
SLIDE 10

February 05, 2002 February 05, 2002 10 10

Moving Forward Moving Forward

  • Integrate Accelerometer from Max’s 683

Integrate Accelerometer from Max’s 683 Research Project Research Project

  • Looking into solar based power supply

Looking into solar based power supply

– – Use solar panel to charge batteries for Use solar panel to charge batteries for constant power requirements constant power requirements

  • Researching other methods to increase

Researching other methods to increase wireless range wireless range

– – Goal: Max range 250 feet Goal: Max range 250 feet