Electronic Target Scoring Methods

Tackleberrywho

Sparks wrote: »

To be honest Tack, I think you're missing a trick there.
That system isn't accurate enough for 10m airgun, sure, but it's more than enough for a club-level system for 300m fullbore or even further out. If you dropped the projector and painted the target on the backing board, you might have a cheap enough solution for long-range fullbore work. The backing is just something like styrofoam; not as cheap as paper, but not far off. It won't last for a million rounds, but it might work for 20 or 30, so if you Tape a paper target over the front and stick in the sensors, that's a needs-noone-in-the-butts system for relatively little capital invested, and a moderate consumables bill.

Oh the F-Class Target stuff gone out teh window.

Project sup said if I can get to fire a shot and get a readout on a computer screen I'm 2/3's way there.

Where did they get accelerometers that small though?


Any one in Trinners able to locate one??

Sparks

You can get accelerometers far smaller than that, they're a component in many mobile phones now. Hell, you can get them in lego bricks. Try maplin or farnell or ebay.

Tackleberrywho

I'm thinking the part ~ 1 min 26 seconds could be achieved by using the Accelerometers. Not as fancy and as high tech, but it seems very similar!

If anyguys out there have toyed with the idea PLEASE let me know

<who would Have thought one could study on a shooting forum>

Tackleberrywho

Not having much look on a sourcing Accelerometers that will work with Lab view.

Any of you tech guys out there know where?

Maplin is drawing a bland and most of the others I find are a bit big.

Something € coin size or a little bigger me thinks would suit.

I think 4 should suffice.

Hardwall is easy source. And Labview seems to be a down load, However some "free" copies would be appreciated

Tackleberrywho

The main component required is one of these to interpret the data

It's Price : € 2,149 anyone got one in their house that they are not using??

• 3 or 4 - 50 mv/g accelerometers ??
• NI USB-4432 ????? http://sine.ni.com/nips/cds/view/p/lang/en/nid/206677
• LabVIEW HAVE
• Computer HAVE
• Projector HAVE
• Stuff to throw/shoot at the wall HAVE


HELP!

Tackleberrywho

Ah Sparks
http://ie.farnell.com/monitran/mtn-7000-50/cable-accelerometer/dp/7077567

I thought this way was supposed to be cheap?

€300+ for one 50mv/g accelerometer??

And I need 3-4??

There has to be cheaper versions out there.

Has any of the Trinity or UCD Electronics Dept's got any they could loan/Rent?

I thought I was going the cheaper and simpler construction route.
To date. €1000 on the accelerometers specified for a large Target, and €3000 on the USB converter.

€5000 and Rising and my Budget is €400.

I spent 3.5hrs downloading Labview student version yesterday afternoon.

Please don't tell me that was a massive waist of time

My Project Sup is due to ring me any second and I am no further on than this time last week.

I need inspiration!

Or Money, which every yee guys prefer!

Sparks

Tackleberrywho wrote: »

Ah Sparks
http://ie.farnell.com/monitran/mtn-7000-50/cable-accelerometer/dp/7077567
I thought this way was supposed to be cheap?
€300+ for one 50mv/g accelerometer??
And I need 3-4??
There has to be cheaper versions out there.

Correct - and why does it have to be 50mv/g? You could just scale the inputs to handle any number of mv/g.

Has any of the Trinity or UCD Electronics Dept's got any they could loan/Rent?

No idea, I haven't worked there since last April

I thought I was going the cheaper and simpler construction route.

Yup. That doesn't mean you won't have to do a bit of work looking for the parts, finding cheaper versions and adapting to them though...

I spent 3.5hrs downloading Labview student version yesterday afternoon.
Please don't tell me that was a massive waist of time
My Project Sup is due to ring me any second and I am no further on than this time last week.
I need inspiration!
Or Money, which every yee guys prefer!

Look up cheap accelerometers.
Then look up their interface requirements.
Repeat until you have a cheap spec for a setup.
Then buy, plug it all together, and start testing.
Don't just read the article, pick out the exact make and model they used and assume it will never work without those exact parts; they probably just used those because they had them as spares from another project anyway, that's how this stuff tends to happen.

Kryten

Try using microphones instead of accelerometers. You are basically looking for 3-4 signals seperated by a time delay, Build your own interface. parallel port is probably the easiest way to go. The labview and the equations should still work.

You have got me thinking now!!:eek:

Tackleberrywho

Kryten wrote: »

Try using microphones instead of accelerometers. You are basically looking for 3-4 signals seperated by a time delay, Build your own interface. parallel port is probably the easiest way to go. The labview and the equations should still work.

You have got me thinking now!!:eek:

The guys in National Instruments said they will get their Irish agents to see if they can supply me some low budget accelerometers.

Accelerometers will work the best.

The more you have the more accurate the reading, and the more sensitive work even better.

Seriously I think my project has merit in the Irish Scenario.
If only I could get a little more help on board

Tackleberrywho

Any shooters out there with a weblink to a cheap DAQ's

Has to be compatible with labview and Windows 7.

As soon as I have a Data Acquisition interface I can get labview to interpret the signals from the accelerometers.

And a weblink for an Irish site would be great as I don't have a credit card so Laser (the better way to pay they say)

Tackleberrywho

Ok

Just a little update
http://radionics.rs-online.com/web/search/searchBrowseAction.html?method=getProduct&R=0253706#header
Accelerometer on an Evaluation board.

And here is the DAQ

So Expenditure so far is €200 + Labview which I hope, I will get for free.

Also I would like to thank IrlConnor for explaining how to write three quarters on this and ten to the power of twelve
[LATEX]\frac{3}{4}[/LATEX]
[LATEX]10^{12}[/LATEX]