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HomeAircraftHelicopterMain Discussion › PC Servo Channel Analyser
11-01-2004 10:29 AM  13 years agoPost 1
Steamer

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Mount Hakepa, Pitt Island

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Does anyone know if you can buy/make a gadget which you can plug into your PC which would tell you what signals are coming out of the receiver? (not an oscilloscope - I'd like to see the values in terms of percentages of servo movement sort of like you get with those bar graphs on an FF9)

Pip Pip!
Steamer
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11-01-2004 11:29 AM  13 years agoPost 2
excellone

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Arlington, Virginia

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PC analyzer
Yes.

You could use a BASIC Stamp 2 Module to read and interpret values from a receiver into a PC.


George

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11-01-2004 11:35 AM  13 years agoPost 3
Steamer

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Mount Hakepa, Pitt Island

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Thanks!

That sounds pretty technical but I have been known to weild a soldering iron on occasion. Any idea where I could get more info on how to do this?

Pip Pip!
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11-01-2004 11:42 AM  13 years agoPost 4
fusion4646

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Cumming, GA - Forsyth

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Channel Check Utility.
Try this and see if it might be what you need, or at least help...

http://www.tti-us.com/sim/piccheck.html

Fusion.

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11-01-2004 12:31 PM  13 years agoPost 5
Steamer

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Mount Hakepa, Pitt Island

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Hi Fusion,

That looks great except that I think it checks what the transmitter 'thinks' it's sending rather than what the receiver is actually sending to the servos. What I'm looking for is something that plugs into the receiver's servo connectors and gives the same sort of readout as the one on the 'piccheck' site.

Pip Pip!
Steamer
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11-01-2004 12:42 PM  13 years agoPost 6
fusion4646

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Cumming, GA - Forsyth

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PC Servo Channel Analyser
Your right, I am sorry. Wasn't thinking...

"If you keep the rotors out of the dirt, you know your doing fine."

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11-01-2004 12:52 PM  13 years agoPost 7
frebou

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Montreal / Canada

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It sure can ben done with pic chip. I've done some playing with that and it worked ok. Now sending the data to the computer via serial/usb is one step further that I did not play with it.

Keep us informed

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11-01-2004 01:03 PM  13 years agoPost 8
Steamer

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Mount Hakepa, Pitt Island

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I'm interested in doing this because it would sometimes be very useful to be able to monitor what signals are being sent to the servos. For example, if you need to change transmitter or receiver (or both) and want to ensure that your flight control settings are exactly the same, then it would be useful to have some way of measuring them. It would also be useful to be able to check the output of a receiver if you thought there was something wrong with the radio gear - this would eliminate the servo as a possible source of a problem.

I guess there are other applications for a device like this - for remotely controlling your PC for example (although I can't imagine why I'd ever want to do this!)

Pip Pip!
Steamer
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11-01-2004 05:07 PM  13 years agoPost 9
excellone

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Arlington, Virginia

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PIC
Here is a link

http://www.parallax.com/detail.asp?product_id=BS2-IC

This is a nice project and will have value if you seek to match transmitters/centers with a receiver. The programming software debugger allows monitoring the serial output for those who don't want to compile code.

George

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11-02-2004 09:22 AM  13 years agoPost 10
Ali92124

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San Diego, CA

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The hitec servo tester/programmer (HFP-10) allows you to view the output of a servo channel in pulse width. Once I used it to measure what my radio sends out for 0 atv and at center, I can do most of the heli setup without having to use the radio.
Its a real handy little tool.
---
Ali

I dont need no stiiiiiinkin signature.

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11-02-2004 11:33 AM  13 years agoPost 11
Steamer

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Mount Hakepa, Pitt Island

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Thanks Ali92124,

Just had a look at the manual and it does indeed seem to do part of what I'm after. What I'd really like is a gadget that plugs into the PC to measure all the channels simulataneously. Oh well, I guess I may be asking too much.

Pip Pip!
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11-02-2004 12:51 PM  13 years agoPost 12
Colibri

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The Netherlands

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Also not a PC solution but you could use a GV1 if you have one lying around and connect the RPM cable to the Rx channel you want to monitor. Now you can use the RPM display to verify the value that is output on that channel.

Tim

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11-02-2004 03:19 PM  13 years agoPost 13
Steamer

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Mount Hakepa, Pitt Island

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Good idea!

Pip Pip!
Steamer
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