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RS Zip Zap Mini RC RF Servo Tutorial

  1. #201
    KhorMariik's Avatar
    Member Since
    Nov 2013
    From
    Near King of Prussia, PA
    Posts
    8

    Re: RS Zip Zap Mini RC RF Servo Tutorial

    Going to look for a similar car tomorrow. Thanks for the tutorial.

  2. #202

    Re: RS Zip Zap Mini RC RF Servo Tutorial

    I noticed in the video that the stalk has trouble going back up into the upright position with sharp erratic movements as it struggles. Is there a way to make the movement smoother?

  3. #203

    Member Since
    Jan 2014
    From
    Valley Village, CA
    Posts
    1

    Re: RS Zip Zap Mini RC RF Servo Tutorial

    That is really awesome!!! Cant wait to make one for myself!

  4. #204
    tubachris85x's Avatar
    Member Since
    Mar 2006
    From
    Dark Side of the Moon
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    2,896

    Re: RS Zip Zap Mini RC RF Servo Tutorial

    Jesuit24 said: View Post
    I noticed in the video that the stalk has trouble going back up into the upright position with sharp erratic movements as it struggles. Is there a way to make the movement smoother?
    Having just built a servo set up just like this, from the video, it looks to me that since the helmet was balancing on a stand, a quick movement up-wards would have made the helmet fall over. The servo runs smoothly assuming you hold the button down. You may get shotty movement if the signal is week or the battery for your controller is dying

  5. #205

    Re: RS Zip Zap Mini RC RF Servo Tutorial

    Thanks, I'm going to give this a try.

  6. #206

    Re: RS Zip Zap Mini RC RF Servo Tutorial

    Another question; how much torque is needed to turn the rangefinder between the two points? Is the HS-77BB Low Profile servo essential? The reason I ask is I'm not so sure my head will fit in my helmet with the servo, even with the low profile option, so I was considering buying a Hi-tech mini servo instead, the difference being that with the smaller size, the servo has less power.

    The recommended Low Profile servo used in this thread has a torque of 76oz/inch (5.5kg/cm), whereas the HS-225BB Mighty Mini has a torque of 67oz/inch (4.8kg/cm). Is there a minimum torque I should be looking out for?

  7. #207

    Re: RS Zip Zap Mini RC RF Servo Tutorial

    I bought a mini RC. Not ZipZap because I can't get them in the UK and it seems they go for a lot of money these days. But despite the seller claiming it ran off four AAA batteries, it runs off two AA batteries. While I'm not chuffed what the remote control runs off, I've heard that I really need the servo to run off 6V. Can I run the servo off a different voltage to the remote? Because the board on the car recharges from the remote control, so I'm not sure if I'm limited to two AAs and a meagre 3V to power the servo.

    Appreciate any help.
    Last edited by Jesuit24; Feb 28, 2014 at 10:12 AM.

  8. #208
    Timmer's Avatar
    Member Since
    Nov 2008
    From
    Schenectady, NY
    Posts
    368

    Re: RS Zip Zap Mini RC RF Servo Tutorial

    I built one of these several years ago with the tutorial. I got it to work, but my topper has a self contained light unit and its a solid aluminum stalk. The 77B servo couldn't lift the dang thing back to starting position. All of the electronics are now in my basement somewhere. I might go dig them out and see if i can get it running again, but maybe with a more powerful servo.

  9. #209
    Jc27's Avatar
    Member Since
    Jun 2012
    From
    Pennsylvania
    Posts
    1,696

    Re: RS Zip Zap Mini RC RF Servo Tutorial

    Servo city has a calculator that will figure out the torque rating you need for the rf. I was going to try to figure it out tonight to see which I would need.

  10. #210
    Timmer's Avatar
    Member Since
    Nov 2008
    From
    Schenectady, NY
    Posts
    368

    Re: RS Zip Zap Mini RC RF Servo Tutorial

    Thanks Jc, now that you mention it, I do remember someone trying to explain to me a formula for figuring that out. I'll have to check out the site. I'm pretty sure that's where I bought my old servo.

    Thanks!

  11. #211
    frb13's Avatar
    Member Since
    May 2007
    From
    so. cal
    Posts
    298

    Re: RS Zip Zap Mini RC RF Servo Tutorial

    I did this and it works great! One question can I just use a motor? If I cut the stuff from the servo whats left? Looks like just a motor. The controls are on everything else.

  12. #212

    Re: RS Zip Zap Mini RC RF Servo Tutorial

    img_1821-jpg

    Great tutorial but I've seemed to run into a bit of a pickle. I didn't use a Transformers zip zap, rather it was a different one (still a zip zap but it was a Nissan 350Z haha). Anyway the controller's layout is different but all the hookups and wirings are pretty much the same. The board for the car itself, however, is not. The picture above shows what it looks like. The antenna is the long yellow wire, the short yellow and blue are the motor I believe and the black and red are the same but there isn't any red and white ones for power.

    Has anyone used a different model zip zap and figured out what to do? I'd prefer to use this one as I've already taken apart this one and the controller has the build in switch plus the Transformers ones now are a bit expensive on ebay (anywhere between 20 and 50 dollars.

  13. #213
    crow86's Avatar
    Member Since
    Jul 2009
    From
    PA
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    145

    Re: RS Zip Zap Mini RC RF Servo Tutorial

    Red and black are going to be your power. Red (+), Black (-).

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