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burtonmadness
11-29-2013, 01:43 AM
I'm starting to plan 2014, and with the floods I've ordered and plan to build early 2014, I was thinking of motorising a of the floods at the front of the house.

I'm not looking to get rotation, just 170degrees on the vertical. There's a servo control http://diychristmas.org/store/product.php?id_product=56 ) that would suit the control aspect.

Any thoughts on weatherproofing the servo?

/BM

budude
11-29-2013, 01:50 AM
I built a prototype this year that I planned to use for Halloween - HERE (https://www.facebook.com/photo.php?v=10200510092852850&set=vb.356280784428581&type=3&video_source=pages_video_set) is the link...

I didn't get past what is shown in the video but maybe next year - it can do almost 180 pan and about 150 or so tilt. I got the mechanical bits from a place on eBay - it was a bit fiddly to put together but it worked pretty well. I have 3 sets of them built - just need to finish them up some day!

Livermore-Dad
11-29-2013, 02:32 AM
I built a prototype this year that I planned to use for Halloween - HERE (https://www.facebook.com/photo.php?v=10200510092852850&set=vb.356280784428581&type=3&video_source=pages_video_set) is the link...

I didn't get past what is shown in the video but maybe next year - it can do almost 180 pan and about 150 or so tilt. I got the mechanical bits from a place on eBay - it was a bit fiddly to put together but it worked pretty well. I have 3 sets of them built - just need to finish them up some day!

Pretty awesome B, I was thinking about this after seeing the TSO show last night..

Tory

Roterhead
11-29-2013, 11:50 AM
I'm starting to plan 2014, and with the floods I've ordered and plan to build early 2014, I was thinking of motorising a of the floods at the front of the house.

I'm not looking to get rotation, just 170degrees on the vertical. There's a servo control http://diychristmas.org/store/product.php?id_product=56 ) that would suit the control aspect.

Any thoughts on weatherproofing the servo?

/BM

Just google on waterproofing servo and you will find a number of results usually in the Halloween forums.

Basically it involves packing the servo full of grease, the dunking the entire assembly into an OTS waterproofing liquid.

burtonmadness
11-30-2013, 11:36 PM
Hmm, thinking about it and reducing the load on the servos, I'm going to turn it all upside down.

How about, Ren SS based dual servo controller, (with speed control for both pan / tilt equals four channels), with 4 channels of RGB+W at 1A DC per channel.

The intention is to mount the 20W RGB LED + heatsink directly on the pan/tilt bracket and house the whole unit in a 6" Diameter transparent dome.

Thoughts? Can anyone see any serious drawbacks?

/BM

RobertB
04-20-2014, 09:28 AM
budude - Can you list the parts you used in this? Even the controller. Vet on some things...newbie at this ;-)
Thanks
Robert

budude
04-20-2014, 11:52 AM
budude - Can you list the parts you used in this? Even the controller. Vet on some things...newbie at this ;-)
Thanks
Robert

I got THIS (http://www.ebay.com/itm/2-DOF-Short-Pan-and-Tilt-Servos-Bracket-Sensor-Mount-kit-Robot-Arduino-compa-/301101062290?pt=LH_DefaultDomain_0&hash=item461b059892) for the brackets - however I would have purchased the long versions if I were to do it again but I don't see them listed there anymore. The short ones work fine and give plenty of range but the longer ones allow just a tad more.

I used Tower Pro MG-995 High Speed Metal Gear Digital servos - you can find these in several places but others will work as it's a standard mount.

As for the controller I was using a Pololu Maestro (http://www.pololu.com/product/1352) but this is probably not what I would end up using. It works fine but was looking for a more distributed setup. I was playing with writing my own code using PICBasicPro on a PIC16F but never completed it beyond controlling the servos (needs something for incoming data).

edit - - found the long brackets from a different seller HERE (http://www.ebay.com/itm/2-DOF-Long-Pan-Tilt-Servos-Bracket-Sensor-Mount-kit-for-Robot-Arduino-compat-ge-/261441209082?pt=LH_DefaultDomain_0&hash=item3cdf1c42fa) - they look to be made the same way...

edit2 - - as I mentioned above, the brackets are not difficult to assemble but they must be put together in a specific order and the instructions - well... let's just say you will be inventing some new curse words after your 3rd or 4th try at it...

RobertB
04-21-2014, 06:15 AM
Very cool! Thanks!
I wonder if those servos would work with one of the LOR servodog boards?
I have always wanted to do some sort of gobo lights like this, but just too much in the $ dept ;-)

budude
04-21-2014, 03:34 PM
Very cool! Thanks!
I wonder if those servos would work with one of the LOR servodog boards?
I have always wanted to do some sort of gobo lights like this, but just too much in the $ dept ;-)

I would say 'probably' - these servos have worked with a couple different controllers that I have (I have some in a talking skull for Halloween) so they follow the 'standards' to whatever degree. I would get one and see how it goes - you can always use it for something else down the road or resell it.