Kyle Sanders
Kyle Sanders
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  • Austin, TX
  • United States
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Kyle Sanders's Discussions

Simple Arduino Programming Question

Started this discussion. Last reply by Reto Apr 28, 2009. 20 Replies

Ardupilot timer-based action

Started this discussion. Last reply by Kyle Sanders Apr 20, 2009. 7 Replies

Why does my servo crank all the way to one side?

Started this discussion. Last reply by AludrA_55 Jun 9, 2009. 9 Replies

 

Kyle Sanders's Page

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AludrA_55 replied to Kyle Sanders's discussion 'Why does my servo crank all the way to one side?'
wow.. that's a great idea about the balloon carrying the glider, etc! the balloon would just take the glider very far away and pretty high, then the glider would free itself and glide back home taking pics on the way back... that would fix the…
Jun 9, 2009
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Reto replied to Kyle Sanders's discussion 'Simple Arduino Programming Question'
Thank for this add-on. Now I can imagine a little better how the MUX circuit works in the wires.
Apr 28, 2009
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Chris Anderson replied to Kyle Sanders's discussion 'Simple Arduino Programming Question'
A multiplexer (MUX) takes eight inputs in A/B form and switches between them for the output. So S1A and S1B refer to RC vs Autopilot, and the MUX (directed by the Attiny) decides which one gets to control Out 1.
Apr 28, 2009
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Reto replied to Kyle Sanders's discussion 'Simple Arduino Programming Question'
Thanks for all that explanation, Chris. It was not immediately obvious to me, in this part of the ArduPilot diagram around the 74LS157D chip, that S1B (pin3) is to be interpreted as an input which is linked in the chip to 1Y (pin4) output, itself…
Apr 28, 2009
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Kyle Sanders replied to Kyle Sanders's discussion 'Simple Arduino Programming Question'
Ah, thanks for explaining that, it makes alot more sense now. Seeing that i only need an on/off switch, not a PWM'd servo switch, i'll just jump off of one of the other, unused digital pins. Thanks!
Apr 28, 2009
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Chris Anderson replied to Kyle Sanders's discussion 'Simple Arduino Programming Question'
It's pretty straightforward. Look at the schematic and you'll see that S1B (which goes to pin 13 on the Atmega) -> Out 1 S2B (pin 14) -> Out 2 Then go to the Arduino pin mapping diagram to see how those physical pins related to…
Apr 28, 2009
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Reto replied to Kyle Sanders's discussion 'Simple Arduino Programming Question'
Chris, good you link to the schematic here, but as a newbie i am sorry to admit I do not know how I could for example infer from them that ArduPilot servo OUT1 is accessed by programming the D9 pin in the Arduino environment. The 74LS157D…
Apr 28, 2009
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Chris Anderson replied to Kyle Sanders's discussion 'Simple Arduino Programming Question'
Guys, you've got to refer to the schematic to correspond Arduino pins to ArduPilot-specific nomenclature. It's all there.
Apr 28, 2009

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Tell us a bit about your UAV interest
www.aquaether.com/blog
Hometown:
Austin, TX

Kyle Sanders's Blog

Kyle Sanders

His & Hers

Posted on February 3, 2009 at 7:30am 1 Comment

My girl always said that "good things come in small, teal boxes", and now I think I understand... I am all about small, red boxes!





Kudos to Sparkfun and the DIYDrones developers who got the hardware / software / simulators figured out - this really opens the door for the rest of us to tinker… Continue

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