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Custom HK 2Ch Pistol
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marto
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Custom HK 2Ch Pistol

You asked so time to deliver. I may do this for robogames as I need a nice controllable radio so but it may also have to wait.

Anyway



It begins.

What would you guys like me to make it do? And where/how would you add a 3rd channel.

Steve
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Post Thu Apr 11, 2013 8:07 pm 
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Knightrous
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Replace R'Duino with Teensy.
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Post Thu Apr 11, 2013 10:03 pm 
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Jaemus
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Nah, keep the duino. This makes it far more repeatable for average joe.

I'm not personally into this cos I like stick radios, but good on you Smile watching with interest
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<bovril> it collects data about the surrounding environment, then discards it and drives into walls

Post Fri Apr 12, 2013 8:33 am 
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Jolijar



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pics of guts?

Post Fri Apr 12, 2013 9:17 am 
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marto
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[URL=http://s1113.photobucket.com/user/s_martin87/media/5E157849-0164-488D-A0CF-5B8D0C5C0A3A-749-0000017CC56FBA4E_zps31e8ae8c.jpg.html] [/URL]



[URL=http://s1113.photobucket.com/user/s_martin87/media/1578BD1D-462C-4784-9D2E-AE7AFCB2F199-749-0000017CD5F81DFD_zps114298c8.jpg.html] [/URL]
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Steven Martin
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Post Fri Apr 12, 2013 9:31 am 
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Jolijar



Joined: 22 Feb 2013
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Location: Dekalb, IL


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if your going to add another channel I would put it either as a button/switch under the trigger on the handle or a lever on the top of the battery pack area. just my $0.02 I look forward to seeing what you come up with.

Post Fri Apr 12, 2013 10:21 am 
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dyrodium
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FYI they have identical modules to the 6ch radios, so I would just strip the crap 2ch electronics completely. Smile
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Post Fri Apr 12, 2013 10:30 am 
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Knightrous
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For the 3rd channel, a foot switch would be good (variable control or on/off). That way you can comfortable control a weapon without having to bend your hands into retarded shapes.

Dual rates or expo rate on switches would be good also, I kinda dislike the limited travel of the triggers in the reverse position.

quote:
Originally posted by Jaemus:
Nah, keep the duino. This makes it far more repeatable for average joe.


Average Joe will handle a Teensy 2.0 just as easily as a 'duino. It's smaller (1.2" x 0.7"), direct USB mini plug (which powers it) and is cheaper ($16) then a 'duino. Not to mention you can program duino sketches to a Teensy using the Arduino software.

http://www.pjrc.com/teensy/index.html
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Post Fri Apr 12, 2013 10:42 am 
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marto
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I don't have any spare teensy's. Which is why it gets this arduino. Real question now is how far do I want to go. I reckon I can whip up basic code in an hour or two. Soldering the darn thing will probably take longer.

Steve
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Post Fri Apr 12, 2013 11:40 am 
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Knightrous
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quote:
Originally posted by marto:
I don't have any spare teensy's. Which is why it gets this arduino.

Should have said something, could have given you my spare one yesterday Razz
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Post Fri Apr 12, 2013 11:50 am 
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marto
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I only got the radio yesterday.
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Post Fri Apr 12, 2013 12:02 pm 
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marto
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Regardless it should just be changing a few pin definitions to make it work with the teensy.

Steve
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Post Fri Apr 12, 2013 12:15 pm 
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marto
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Liberated.

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Post Fri Apr 12, 2013 8:33 pm 
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marto
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Can't say for sure but just from looking at the signals on scope I think the radio uses a SPI protocol now. Sad


ah well

next time
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Post Sun Apr 14, 2013 3:29 pm 
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marto
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So I got sick of seeing this radio in my project box but decided reverse engineering the communications protocol between the radio and the RX was probably too much effort.

So I just swapped it out for the PPM one from another T6A.



Now to write some code and work out where to put a CH3 button.

Steve
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Post Wed Apr 23, 2014 10:06 pm 
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