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'[PIC:] Project suggestions...'
2004\06\06@234009 by Mike Hord

picon face
>This is always the hard part for me; coming up with fun and interesting
>projects.

I find time to be my limiting factor...

>This could be the start of a great thread.  What sorts of projects have
>people here done that are primarily for fun?

The one I'm thinking about making is a G-force datalogger...I have a
friend who's getting back into RC aircraft after a hiatus for college, and
he's always wondered what kind of abuse his aircraft are subject to.

I'm thinking an ADXL, a PIC, and a flash module.  RS-232 to download,
possibly with a hand-held LCD based doo-dad to display some
abbreviated data.

See?  It's that easy.  Getting around to doing it, now that's tough...

Mike H.

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2004\06\06@234631 by Steve Kosmerchock

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Mike,

A friend and myself did just that. We used it for RC trucks and it worked very well. We interfaced it to a program I wrote in LabVIEW via USB (FTDI chip). It worked like a champ!! We used "our" real vehicles for the initial testing ;-). We were even able to compare our data with the car manufacturers to see how accurate we were. Those are the fun projects!

Steve

Steve Kosmerchock
Phoenix, Az USA

Mike Hord <spam_OUTgaidinmdTakeThisOuTspamHOTMAIL.COM> wrote:
>This is always the hard part for me; coming up with fun and interesting
>projects.

I find time to be my limiting factor...

>This could be the start of a great thread. What sorts of projects have
>people here done that are primarily for fun?

The one I'm thinking about making is a G-force datalogger...I have a
friend who's getting back into RC aircraft after a hiatus for college, and
he's always wondered what kind of abuse his aircraft are subject to.

I'm thinking an ADXL, a PIC, and a flash module. RS-232 to download,
possibly with a hand-held LCD based doo-dad to display some
abbreviated data.

See? It's that easy. Getting around to doing it, now that's tough...

Mike H.

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2004\06\07@021349 by William Chops Westfield

face picon face
On Sunday, Jun 6, 2004, at 20:38 US/Pacific, Mike Hord wrote:
>> This could be the start of a great thread.  What sorts of projects
>> have people here done that are primarily for fun?

I've used PICs for costuming projects for kids and family and such.
I've already mentioned the flaming pitchfork.  More recently, I built
the electionics for a couple of SIMs cosutumes.

Truth be told, it seems that only the "fun" projects are getting
finished.  While there are other things in various stages of EE and/or
SW development, only the little fun projects have actually reached the
stage where I can say "this is DONE enough to be useful."  Sigh.

BillW

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2004\06\07@210336 by Nikhil Praveen

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How about a PIC based electronic ignition for cars that have conventional points system ignition?

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2004\06\07@212241 by Jason S

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face
Something I'd like to build is a reader for the car's on-board computer
diagnostic error codes.

The service manual just doesn't have enough information to build it.

There's a plug that's supposed to connect to the repair shop's diagnostic
machine, but the service manual does give instructions to short 2 pins
together on that plug to make it flash out the codes on the lights on the
dash.  Then you look the numerical code up in the service manual.

I'd like to build a device that plugs in, reads the code electronically, and
displays it on an LCD along with the text explaination.

Jason


{Original Message removed}

2004\06\07@213243 by Liam O'Hagan

flavicon
face
My car has 2 different plugs. One, under the bonnet, is a diagnostic
connector which operates as you describe.

In this case I short 2 pins. GND and TEN (test enable), the car will then
flash any error codes on a LED connected between two other pins(can't
remember which at the moment)

The other plus is an OBDII connector, inside the car in the fuse box. This
is where the factory diagnostic system connects. Through this plug you can
access a whole lot more information including throttle position, load,
intake air temperature, exhaust gas temperature, RPM, speed, individual
wheel speeds if ABS is fitted, oxygen sensor voltages, short term and long
term fuel mixtures and a bunch of other stuff, it will also tell you if any
sensors are malfunctioning, whether any sensors have abnormal readings and
any error codes like the diagnostic plug.

{Original Message removed}

2004\06\07@215353 by John J. McDonough

flavicon
face
----- Original Message -----
From: "Jason S" <.....picKILLspamspam@spam@CANADASPEAKS.COM>
Subject: Re: [PIC:] Project suggestions...


> The service manual just doesn't have enough information to build it.

How about:
http://www.diy-efi.org/gmecm/ecm_info/obd2/

That really sounds like a great project.

72/73 de WB8RCR    http://www.qsl.net/wb8rcr
didileydadidah     QRP-L #1446 Code Warriors #35

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2004\06\09@094622 by Paul James E.

picon face
 Jason,

I have done this for FORD products, but not for GM or Chrysler as I don't
have either one of these brands.

                                            Regards,

                                              Jim

{Quote hidden}

> {Original Message removed}

2004\06\09@094622 by Paul James E.

picon face
 Jason,

I have done this for FORD products, but not for GM or Chrysler as I don't
have either one of these brands.   Let me know if you want to jointly
work on this for GM and/or Chrysler.

                                            Regards,

                                              Jim

{Quote hidden}

> {Original Message removed}

2004\06\09@121029 by John Ferrell

face picon face
Projects I would like to do, but cannot seem to get around to:

Programmable Thermostat control for my home heat pump.

Programable Thermostat control to auto-start an automobile to assure
tolerable conditions for animals (dogs) on board. Police cars just leave
them run, but there have been occaisions where the vehical has been left in
an unsafe situation.

Automatic mixture control for model aircraft engines. Many otherwise good
engines seem to suffer from a mid-range rich condition. Carburator design
seems more art than science.

Fully programmable RC transmitter. The current models are great but you have
to bend your use to their characteristics. The RF section is a separate
issue, the initial effort should be in the Ham bands. Current encoding
schemes or a new system altogether to be considered.

John Ferrell
http://DixieNC.US

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2004\06\11@220055 by hilip Stortz

picon face
if you have links etc. i'd be interested.  it's something i'd eventually
like to do for my explorer.  thanks.

"Paul James E." wrote:
{Quote hidden}

> > {Original Message removed}

2004\06\12@021558 by Matthew Brush

flavicon
face
> if you have links etc. i'd be interested.  it's
> something i'd eventually
> like to do for my explorer.  thanks.

Ditto ...

I've been snooping around on the net, but have yet to
find any extremely useful information that didn't cost
a lot of money.  There is one exception, I at least
found a hardware interface to the OBD-I (i think)
connector in a datasheet for a pre-programmed pic from
- if i recall correctly - elm electronics or
something.

If I make any progress with this I will post the info.


Peace


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MJ Brush
LeftClick.ca Internet Media Services
mbrush@[NOSPAM]leftclick.ca

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2004\06\12@102426 by DJMurray

flavicon
face
PLEASE do reply if anybody finds something useful here!!! I, too, have
been toying with OBD-I and OBD-II on a PIC, but haven't ventured into
those waters yet!

Dennis


Matthew Brush wrote:

{Quote hidden}

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2004\06\14@100138 by llile

flavicon
face
The Robot lawnmower has been sitting around for a while half finished.  It
actually will mow grass, and it can navigate as long as all of the
barriers are on it's right side or in the front, the left side and rear
bump sensors being in a state of disassembly.

I have a pile of automatic stopwatches to build (this is actually for
WORK) this is an adjustable current sensing stopwatch that times events to
milliseconds via a hacked interface to a Radio Shack sports stopwatch

The super secret project is still on the back burner.  I would tell you
what it is, but then I'd have to kill you and eat the evidence.  Only
people who have been basting in marinade should ask about this project.

The PIC Metronome (Koen, are you listening?) is actually moving forward.
Koen van Leeuwen is collaborating with me on this project.

-- Lawrence Lile





Mike Hord <.....gaidinmdKILLspamspam.....HOTMAIL.COM>
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>This is always the hard part for me; coming up with fun and interesting
>projects.

I find time to be my limiting factor...

>This could be the start of a great thread.  What sorts of projects have
>people here done that are primarily for fun?

The one I'm thinking about making is a G-force datalogger...I have a
friend who's getting back into RC aircraft after a hiatus for college, and
he's always wondered what kind of abuse his aircraft are subject to.

I'm thinking an ADXL, a PIC, and a flash module.  RS-232 to download,
possibly with a hand-held LCD based doo-dad to display some
abbreviated data.

See?  It's that easy.  Getting around to doing it, now that's tough...

Mike H.

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2004\06\14@103044 by llile

flavicon
face
Other stuff that is useful, interesting, or devious, some of which I have
done:

Gags:  any noise that annoys a particular person can be simulated in a PIC
and put into a box, wrapped in pretty paper and closed by a bow.
Possibilities are:  Cicadas, crickets, rude bodily noises, annoying high
pitched squeals, car horns, etc.

Add ultra-bright flashing LEDs to your bicycle helmet.  Look like a real
nerd, and live to be 100 because you get more excercise and don't get
squashed by a car.

LED flashlight with auto-timeout and two levels

PIC controlled regulated adjustable power supply

Mileage meter for a dedicated bicyclist


-- Lawrence Lile





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The Robot lawnmower has been sitting around for a while half finished.  It
actually will mow grass, and it can navigate as long as all of the
barriers are on it's right side or in the front, the left side and rear
bump sensors being in a state of disassembly.

I have a pile of automatic stopwatches to build (this is actually for
WORK) this is an adjustable current sensing stopwatch that times events to
milliseconds via a hacked interface to a Radio Shack sports stopwatch

The super secret project is still on the back burner.  I would tell you
what it is, but then I'd have to kill you and eat the evidence.  Only
people who have been basting in marinade should ask about this project.

The PIC Metronome (Koen, are you listening?) is actually moving forward.
Koen van Leeuwen is collaborating with me on this project.

-- Lawrence Lile





Mike Hord <TakeThisOuTgaidinmdEraseMEspamspam_OUTHOTMAIL.COM>
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       Subject:        [PIC:] Project suggestions...


>This is always the hard part for me; coming up with fun and interesting
>projects.

I find time to be my limiting factor...

>This could be the start of a great thread.  What sorts of projects have
>people here done that are primarily for fun?

The one I'm thinking about making is a G-force datalogger...I have a
friend who's getting back into RC aircraft after a hiatus for college, and
he's always wondered what kind of abuse his aircraft are subject to.

I'm thinking an ADXL, a PIC, and a flash module.  RS-232 to download,
possibly with a hand-held LCD based doo-dad to display some
abbreviated data.

See?  It's that easy.  Getting around to doing it, now that's tough...

Mike H.

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2004\06\14@145020 by Dave Smith

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face
HI Lawrence

do u have one that shuts up the neighbours dog???.....perhaps a sound activated high pitched alarm that causes mild pain to the dogs ears everytime it barks???? this should teach the dog to shut up eventually.

or even better,  these new Toyota cars have their alarms activate the horn instead of the hazard lights, disturbing my sleep at 5:30am.......now come up with something that will cause the alarm to go off automatically when the neighbour activates it, thus forcing them to switch it off at home during the night!!.

Hmmmm I could think of so many more devious ideas.


regards

New - to - pics

Dave Smith
Cape Town South Africa

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2004\06\14@150921 by Fred Hillhouse

picon face
Since the dog is doing what it knows to do, why not just call the owners and
let them know their dog is barking. Maybe they can't hear it.



{Original Message removed}

2004\06\14@154554 by Shawn Yates

flavicon
face
How about a frequency specific, high intensity feedback generator.  When
it detects the overly loud THUMP of a car with too much bass for itself
and the 5 cars around it, it emits a pulse which may make normal
speakers tick, but will make the voice coils in a bass speaker throw
much harder than they should thereby causing them to rip the speaker
cone.  I have been pondering that one for a while now.



{Original Message removed}

2004\06\14@164016 by Fred Hillhouse

picon face
I assume that route has already been done, so check this out. Maybe
something can be used.

http://www.amazing1.com/ultra.htm



{Original Message removed}

2004\06\15@015141 by Dave Smith

flavicon
face
Tried that,  being down all the avenues - faxes - law enforcement etc.

thanks

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2004\06\15@015348 by Dave Smith

flavicon
face
Oh please do!!!!!  U will be an instant hit in this country as every taxis has his own thumping noise box.

regards
Dave Smith
Cape Town
South Africa

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2004\06\15@112019 by tim_webb

flavicon
face
I have seen many circuits using a 555 Timer IC and an LM386 Amplifier IC to makethe  high pitch / ear piercing noise and cricket sounds.

{Original Message removed}

2004\06\15@112848 by llile

flavicon
face
>do u have one that shuts up the neighbours dog???.....perhaps a sound
activated high pitched alarm that causes mild pain to the dogs ears
everytime it barks???? this should teach the dog to shut up eventually.

>or even better,  these new Toyota cars have their alarms activate the
horn instead of the hazard lights, disturbing my sleep at 5:30am.......now
come up with something that will cause the alarm to go off automatically
when the neighbour activates it, thus forcing them to switch it off at
home during the night!!.

These problems, I believe, are best solved using the science of Ballistics
instead of Electronics.

-- Lawrence Lile





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       Subject:        Re: [PIC:] Project suggestions...


HI Lawrence

do u have one that shuts up the neighbours dog???.....perhaps a sound
activated high pitched alarm that causes mild pain to the dogs ears
everytime it barks???? this should teach the dog to shut up eventually.

or even better,  these new Toyota cars have their alarms activate the horn
instead of the hazard lights, disturbing my sleep at 5:30am.......now come
up with something that will cause the alarm to go off automatically when
the neighbour activates it, thus forcing them to switch it off at home
during the night!!.

Hmmmm I could think of so many more devious ideas.


regards

New - to - pics

Dave Smith
Cape Town
South Africa

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2004\06\15@130447 by Mark A. Samuels

picon face
If you really want to do OBD-II, bite the bullet and buy the standard from the SAE. (http://www.sae.org , book code is HS-3000, ISBN 0-7680-1145-0 http://www.sae.org/servlets/productDetail?PROD_TYP=BOOK&PROD_CD=HS-3000/2003 )

This is *the bible* and has everything you ever needed to know.  The individual standards are also available for download on the SAE site, cheaper than the $140 for the whole book.

-Mark


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2004\06\15@142348 by Dave Smith

flavicon
face
To true,

Dave Smith
CapeTown
South Africa
 ----- Original Message -----   From: EraseMEllilespamEraseMESALTONUSA.COM   To: @spam@PICLIST@spam@spamspam_OUTMITVMA.MIT.EDU   Sent: Tuesday, June 15, 2004 5:29 PM
 Subject: Re: [PIC:] Project suggestions...


 >do u have one that shuts up the neighbours dog???.....perhaps a sound
 activated high pitched alarm that causes mild pain to the dogs ears
 everytime it barks???? this should teach the dog to shut up eventually.

 >or even better,  these new Toyota cars have their alarms activate the
 horn instead of the hazard lights, disturbing my sleep at 5:30am.......now
 come up with something that will cause the alarm to go off automatically
 when the neighbour activates it, thus forcing them to switch it off at
 home during the night!!.

 These problems, I believe, are best solved using the science of Ballistics
 instead of Electronics.

 -- Lawrence Lile





 Dave Smith <spamBeGonedavespamKILLspamDAVESMITH.ZA.NET>
 Sent by: pic microcontroller discussion list <.....PICLISTspam_OUTspamMITVMA.MIT.EDU>
 06/14/2004 01:52 PM
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         Subject:        Re: [PIC:] Project suggestions...


 HI Lawrence

 do u have one that shuts up the neighbours dog???.....perhaps a sound
 activated high pitched alarm that causes mild pain to the dogs ears
 everytime it barks???? this should teach the dog to shut up eventually.

 or even better,  these new Toyota cars have their alarms activate the horn
 instead of the hazard lights, disturbing my sleep at 5:30am.......now come
 up with something that will cause the alarm to go off automatically when
 the neighbour activates it, thus forcing them to switch it off at home
 during the night!!.

 Hmmmm I could think of so many more devious ideas.


 regards

 New - to - pics

 Dave Smith
 Cape Town
 South Africa

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