A built up hopes participant's history…

By Ramón Rodríguez

With the inestimable collaboration of Ray

I like to count you a history…

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Introduction I The Design Contest, what is it?

It is a contest for design a electronic

device with a eligible part from a

sponsor.

1. What?2. Who to?3. Where?4. When?5. Why?6. How to?

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Introduction II

The Design Contest, who is it to?

It is a contest for design engineers. They must design a device with a

eligible part from a sponsor.Also any electronic enthusiast can

make an entry to the contest.

1. What?2. Who to?3. Where?4. When?5. Why?6. How to?

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Introduction III

The Design Contest, where is it from?

It is organized by Circuit Cellar Magazine.

It is a magazine made by engineers to engineers.

The magazine is based in Vernon, Connecticut (EEUU).

1. What?2. Who to?3. Where?4. When?5. Why?6. How to?

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Introduction IV

When can you participate?

Submission deadline: 1:00 PM EST, Jan. 31, 2008

Just when the European classrooms course arrives the end.

1. What?2. Who to?3. Where?4. When?5. Why?6. How to?

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Introduction V

Why could you like participating?

It is very exciting build a device completely.

You can win $15,000 in total cash prizes! (First Place: $5,000)

Winners will receive international recognition

1. What?2. Who to?3. Where?4. When?5. Why?6. How to?

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Introduction VI

How could you be the winner?

Request a eligible part sample.Find a good idea to develop it.

Build the device.Check it.

Write the documentation and send it.

1. What?2. Who to?3. Where?4. When?5. Why?6. How to?

What can we build with the sample?

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Provide Internet connectivity to the system.

So…We can connect to the system

by Internet.

Previous works I

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First PlaceRichard Wotiz

Variable Speed Induction Motor Controller

Second Place DJ Delorie

Multifunctional Alarm Clock

Third PlaceMiguel Rusch

Full-Feature Portable LCR Meter

Deadline October/2007

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Third Prize Jake Gunderson

Squawk Box Honorable Mention

Alexandre Guimaraes Not Just Another SMD Reflow Oven

Contest Ended February 7, 2007!

Previous works II

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Grand PrizeAlberto Ricci BittiWITNESSCAM

First Prize Steven Savage

ATir AVR IR Keyboard Interface

Third PrizeNaubert Aparicio

mOtiOn: A Video Based Motion Sensor Contest Ended:August 16, 2006

Target Applications…- Home Network Devices: Set-Top Boxes, PVRs, Digital

Media Adapters

- Serial-to-Ethernet: Access Controls, LED displays, Wireless AP relays, etc.

- Parallel-to-Ethernet: POS / Mini Printers, Copiers

- USB-to-Ethernet: Storage Devices, Network Printers

- GPIO-to-Ethernet: Home Network Sensors

- Security Systems: DVRs, Network Cameras, Kiosks

- Factory and Building Automation

- Medical Monitoring Equipment

- Embedded Servers

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What device can be the winner?

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I has a heating system in my house.I like to set a comfortable ambient

temperature.I like to program it easily.

My heating system has a boiler.I want to switch on/off the boiler from

everywhere…Eureka…

Problems to solve…

• If I still at work too late…

• I want to switch off the boiler.

• If I go home too soon…

• I want to switch on the boiler.

• If I forgot switch off the boiler because I was in a hurry this morning…

• I want to switch off the boiler from the work.

• If I don’t like work …

• I want manage the boiler.

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OverviewSecure Web-based Chrono-Thermostat

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My HOME

I am at work

I am at home

CharacteristicsSecure Web-based Chrono-Thermostat

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•Web-based control of the system.•Secure Access to the system by the web interface. •It makes an Automatic date and time setting-on at power up. •Web-based control of all internal parameters. •Power the chrono-thermostat through the Ethernet copper wire (PoE = Power over Ethernet). •Flash memory to save the configuration parameters.•Restoration of default parameters at power up pressing the mode button. •Obviously it can adjust the home temperature at a configurable comfortable target temperature.•We can configure up to three timers that permit automatic switch on/off the system at the desired time. • It has a simple human machine interface on a LCD display and a few switches.

Elements of the systemSecure Web-based Chrono-Thermostat

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Temperature sensor

LCD display

WIZnet adapter board

PoE extractoradapter board

Data Cable

Boiler cable

Switches

Power cable

Schematic (electrical circuit)

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Power supply

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CHRONO-THERMOSTAT

BOILER

ROUTER

AC/DCADAPTER

PoEADAPTER

PoEADAPTER

DC DC

DA

TA

DA

TA

DATA + DC

Ethernet cable

PoE DEVICE POWEREDBY ETHERNET CABLE

CHRONO-THERMOSTAT SWITCH/HUB/ROUTERPoE

ADAPTERPoE

ADAPTER

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DATA PAIR

DATA PAIR

+VDD PAIR

-VSS PAIR

DC

DCPOWER SUPPLY

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Software

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Web access: main

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Web access: Thermostat config

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Web access: Timer config

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Thanks to …

• Thanks you for your attention.• Lot of thanks to Ray from his excellent

lessons and his hard work made for me by correcting my writing.

• Nice to meet you, my partners…

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