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Thread: Pan servo stretch request.

  1. #1
    Armchair QB Hucker's Avatar
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    Pan servo stretch request.

    I need to get my weekly feature request in.

    Would it be possible to incorporate servo stretching into the ezuhf rx? Most people doing FPV are faced with this if they want pan. It seems like a check box could identify a channel as a pan servo and a stretch could be applied. I can still do fine tuning on my tx, but the ez rx could eliminate the need for those little servo stretcher things.

    I'm not sure if this would break PPM out capability since decoders might like to see 'normal' width pwm pulses. But even then we might get away with it on the last channel.

  2. #2
    woop woop Moelich's Avatar
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    I second this request. Would be a good feature to have!
    No dancing in the car! You'll step on my penguin.

  3. #3
    Navigator francoishaha's Avatar
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    or you might be intrested in a 180 degree servo for pan, no servo stretch needed.
    http://www.hobbyking.com/hobbyking/s...dProduct=19392

  4. #4
    Penguins Do Fly! paintz2007's Avatar
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    or make your own.. add a 2k resistor to each the of out side wires going into the pot about 20 cents and a servo gets you to 180* maybe more depending..

    http://www.aeropix.ch/support/180Deg...ation_HS85.pdf
    Last edited by paintz2007; 25th May 2012 at 11:22 PM. Reason: fixed and added link
    On Spread FM

  5. #5
    Armchair QB Hucker's Avatar
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    I know those three solutions have been around for a while and work well for people.

    I guess I was making the suggestion because it seems to fit in with IRC's concept making FPV simpler by giving easy plug and play solutions for common FPV issues (e.g. head trackers, OSD interconnects, check box ppm out, check box rssi/lq out, integrated 5v power for cameras). Plug and play, minimize wiring and failure points.

  6. #6
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    responses very

    nothing else needs

  7. #7
    His Royal Sassiness ssassen's Avatar
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    I simply mod the servo (2 resistors) or use gears, most servos get rather twitchy around center position when you use a stretcher, which is exactly where you don't want it to twitch.
    Purveyor of the FPV secret sauce at ImmersionRC

  8. #8
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    I'd rather see controls for expo around centre tbh... If plugged in direct to the EZUHF (as my setup requires really) I can't set any expo on the head tracker channel like I can if going through the futaba.

    That would be really useful to reduce the sensitivity around centre. Perhaps dead band adjustment too to filter out tiny intended movements.

  9. #9
    Armchair QB Hucker's Avatar
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    That's too bad, my hs55's work very will with the NGH stretcher except at the very edge of one side. If I go 95% to 95% I get nearly 180 travel with no twitching. Every once in a while I get lucky with something that isn't supposed to work but does, lately it's been going the other way for me.

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