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 New DIY dolly ! 
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Joined: Sat Mar 01, 2014 11:06 am
Posts: 15
Post New DIY dolly !
Hi all,

Just finished my dolly / Slider. I made a shield for An Arduino Uno with all the controls needed. The motor is driven using PWM method. And I used the Freescale MC33886 5 amps H-bridge to drive the motor. (Specs:http://www.freescale.com/files/analog/doc/data_sheet/MC33886.pdf). We cannot see the H-drive in the video because it's soldered underneath the shield.

The program is very basic: Interval, number of pics and motor mode (SMS or Continue). Also there is a potentiometer to adjust the motor speed and a switch to select the direction. Missing are the limit switches that will be added in a near future.

So I designed the PCB and had them manufactured here: https://oshpark.com/
Motor, belt, gear, bearings, tripod head, bought from eBay. All aluminium and electronic parts I already had in my garage.

The dolly:

Demo video1:

Demo video2:


Jean

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Jean
http://www.pbase.com/jcayer


Mon Mar 10, 2014 10:00 am
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Joined: Wed Nov 25, 2009 1:17 am
Posts: 331
Location: Hindmarsh Valley, South Australia
Post Re: New DIY dolly !
Looks like you've had some fun making it !

Steve R.

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Amongst Myselves - ambient, landscape and space music
Canon 5Dm2,450D, 17-40mm EF f4, 55-250mm EF-S, 50mm f1.8 EF, Custom Intervalometer (UM9 and UM12) and MOCON, Meade LXD75 SN10


Mon Mar 10, 2014 3:42 pm
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Joined: Sat Mar 01, 2014 11:06 am
Posts: 15
Post Re: New DIY dolly !
amongstmyselves wrote:
Looks like you've had some fun making it !


Absolutely !!!
It's not as nice as some of the projects I've seen here, but it works and I am my daughter's hero now ;) :lol:

Thanks for stoping by :-)

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Jean
http://www.pbase.com/jcayer


Mon Mar 10, 2014 3:49 pm
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Joined: Wed Oct 16, 2013 4:07 am
Posts: 270
Post Re: New DIY dolly !
nicely done do you have an insulated box for the battery ? i'm rather partial to those little sixpack esky's of plastic and foam for housing the battery but that's just me


Sun Jul 13, 2014 10:05 pm
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