Eric Stackpole
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Latest Activity

Andrew Parrella commented on Eric Stackpole's page Build your own OpenROV!
"I am eagerly waiting for my new kit to arrive - order #1924. Will that one have the adapter for the new batteries, I ordered it right on the day you posted about the change. I just want to know if I should order the adapters.…"
Jul 7
Eric Stackpole commented on Brian A's blog post JSConf and OpenROV
"...And for those of you not at JSConf, check it out!  Think- geeking out on software + hardware hacking + vacation in paradise!   Also, a conference called RobotsConf which is devoted completely to hacking on robots will be hosted at…"
May 29
Eric Stackpole commented on Matthew Valancy's blog post New Tenda homeplug adapter compatibility between 2.5 and 2.6 control boards
"Michael, Your Controller Board certainly should have come with male headers.  I'm not sure what happened. Would you mind sending me a photo of your controller board at eric@openrov.com before changing it at all?   If this is a…"
May 7
Jack Ohme commented on Eric Stackpole's page Build your own OpenROV!
"Is Polyvinyl Chloride (PVC) a good ROV material?"
Apr 19

Profile Information

Full Name
Eric Stackpole
About Me
I believe that telerobotics hold huge potential as a tool for exploration, and it's my goal to help realize that potential.
My interests in ROV Submarines
I am fascinated by exploration of unknown places and the technology used to do it. The world beneath the waves is extremely mysterious, yet accessible provided the right tools.
Hometown
Berkeley

Eric Stackpole's Blog

More Cockpit UI Philosophy

Brian Adams recently got some code working with OpenROV that allows plugins to be added to the system very easily.  This means that if you have an idea for something particular you'd like the ROV to do, you can just write a small block…

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Posted on February 27, 2014 at 4:00am — 7 Comments

OpenROV in Scandinavia this week!

For any of you far-northern Europeans out there, I'll be traveling to Scandinavia tomorrow for the Oslo Maker Faire!  I plan to bring an OpenROV or two with me to show off at the faire, then I'll be heading to Stockholm between the 20th and the 24th.

If anyone is in the area and would like to…

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Posted on January 15, 2014 at 6:30pm — 3 Comments

Fear Of The Unknown

It's a little after one in the morning. As anyone on this side of the world can see right now, the moon is full, and for that reason the clearing around me is somewhat illuminated ...all the way up to the treeline of the forest I'm surrounded by, at which point everything becomes black with shadow.  I'm sitting at a picnic table at the edge of a small grassy clearing in a regional park above Berkeley. Now that I've been sitting for a while, I can hear noises coming from…

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Posted on December 18, 2013 at 7:30am — 7 Comments

Making Use of Anomalies

As greater numbers of OpenROVs are getting built, we're getting more data on the kinds of technical challenges people encounter during construction and operation.  As the various causes for anomalies are figured out, we're also getting data on how those problems can be solved.   Well understood failures are an excellent source of data, so I thought it would be good to start organizing common failures modes and their causes.  In the short term, these data can be used for simple…

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Posted on December 16, 2013 at 7:26pm — 4 Comments

Comment Wall (10 comments)

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At 10:55am on February 26, 2014, Jim said…

Eric, I am at Indiana Unversity and am building the 2.6 rov. I made a mistake in stacking the battery end cap discs. can I order new ones or is there a fix I can do? I stacked in the wrong order and am conserned about o ring seal. Jim

At 7:55pm on September 30, 2013, Sam Macdonald said…

Hey!!! AMAZING to meet you!!!!!! Let's do it again soon!

Thanks for the warm welcome to your world.

At 7:14pm on May 29, 2012, Bill Mar said…

My team here in Scottsdale is busy building our variantion of OpenROV and plan to show it off and demo/work on it at an upcoming hacking event the weekend of June 29th.

http://www.svandroid.org/events/41534612/

 

We're also looking for nearby locations to test underwater, etc.

 

At 8:37am on May 2, 2012, Ken Fujimoto said…
You might be able to couple the 72-75 MHz remote control signals into your twisted pair (acting as a transmission line) and transmit through the water.  Since the RC receiver probably uses a heterodyne / phased locked loop, you don't need much current. I'm guessing you can wrap one conductor, still insulated, at each end of the twisted pair around ferrite rods and then wrap a wire from the RC transmitter antenna also around the ferrite at one end and connect to the RC transmitter ground.  At the other end wrap a wire connected between the RC receiver antenna and receiver ground around the other ferrite.
Steps for the experiment:1. Get two ferrite rods approx 1" long and 1/4" diameter2. Wrap 8 still insulated turns of the yellow wire at each end of the twisted pair around one of the ferrites.3. Connect video baluns and verify video still transmits. If it does not try 4 turns at each end.  If video doesn't work stop4. Wrap a wire around one ferrite over the twisted pair 12 turns or 6 turns if you had to reduce in step 3.  Connect ends to transmitter antenna and transmitter battery ground5. Wrap a wire around the other ferrite over the twisted pair 12 turns or 6 turns if you had to reduce in step 3.  Connect ends to receiver antenna and receiver battery ground
At 4:51pm on April 29, 2012, Ken Fujimoto said…
The circuit looks fine. You just need to remember to put the motor load between the 12V side switch and 12V side diode.
At 11:23am on March 15, 2012, Zachary Braun said…

Yes, but my school might have some so i didn't purchase any. 40mm-50mm diameter props would work the best.

At 7:51pm on October 21, 2011, Full Name said…
i am interested in rovs. how about on your side?
At 2:05pm on October 07, 2011, Full Name gave Eric Stackpole a gift
 
 
 

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