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Wooten posted:Huge bridge laying machine is operated with an off the shelf PC gaming steering wheel.  )
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Apr 11, 2016 04:38
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Platystemon posted:Serious answer: they’re not fail‐safe. There’s nothing stopping one broken sensor from jamming the machine in “full forward” or some other state you don’t want. Your software needs to handle the loss of inputs and/or you have a separate safety system that safes the whole thing. We use X-box controllers all the time at work for this sort of thing. It breaks? Buy another one at any Best Buy for $30, runs on AA batteries! E: From experience, they never break stuck in one direction, you usually get a lovely big deadband in the middle, or a slight offset at the "zero" position.
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Apr 12, 2016 03:09
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Three-Phase posted:Fun with cheapo multimeters. "If the [multimeter] fuse is rated to 250 volts, and the meter's rating says 750-volt cat... anything... then something is seriously wrong." Harbor Freight gives those meters away with any purchase sometimes. I got one.
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May 21, 2016 04:38
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Nitrox posted:Sup, thread 
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Jul 10, 2016 04:37
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Platystemon posted:GPS doesn't require wifi, though it's possible that out-of-the-box there are no apps that will give you your coordinates. The included compass app does!
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Feb 28, 2017 06:54
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Horrible Lurkbeast posted:How come drone car racing isn't a thing? You could go the battlebots route and it'll be You need to add up all of the lag present in a system necessary to provide feedback to a driver. Video encoding, transmission, decoding, probably on the order of 100-200ms for HD. Now the squishy brain meat part of you needs to process and react, add 250ms at best case. Ballparking the transmission of a command and execution of that command back on the vehicle on the order of 50ms. We're now around 450ms from thing A happening to reaction to thing A. At 150mph, that's 30 meters! Not to mention the other problems with reduced situational awareness, the fact that you have 20+ cars transmitting large amounts of data in already congested radio spectrum with low latency requirements, and probably some more stuff I can't think of at this hour. All of this doesn't mean you can do drone car racing, but it's probably not a drop in replacement in terms of the whole need for speed desire that makes racing fun. (For battlebots, though, speed usually isn't what makes a winner good, so that's right up the TeleOp alley)
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May 30, 2017 04:58
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Jun 1, 2017 03:45
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JFairfax posted:what did they hit? More accurately, a (much larger) Japanese cargo ship hit it.
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Jun 17, 2017 03:41
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Baronjutter posted:I'm confused about what sort of mess in a yard requires water at all to clean, let alone enough to make pools, and why there'd be a live extension cord in one of those said pools. Electric power washer on a deck or patio comes to mind.
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Jan 29, 2018 20:27
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Doggles posted:Remember the self-driving Uber that killed a pedestrian last week? Looks like Uber's been skimping on the senor equipment. eeeeehhhhhhhhhh techincially true, but this isn't a matter of a blind spot near the vehicle, if you haven't picked up an object (such as a human/bike in an adjacent lane entering your lane in front of you) before it enters a 3m radius around the vehicle at ~40mph, you're way too late. Those extra sensors for blind spots are more for if someone is right next to you rather than you approaching an object at speed.    Sample Velodyne 64 scans, which is the sensor on the roof of the Uber Volvos. I'm going to assume the NHTSA report will have the raw data from the Uber Velodyne to look over. This is probably a matter of classification gone wrong rather than detection.
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Mar 28, 2018 23:32
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is that the left rear tire on the trailer exploding 
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May 24, 2018 02:14
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Nov 1, 2018 03:26
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evil_bunnY posted:Or maybe they’re empty so who gives a gently caress about stack height I watched them stack em, they were not empty
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Nov 2, 2018 04:18
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azurite posted:He's shufflin' 'cross the rails of a crazy train. shut it down, we're done here.
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Nov 3, 2018 02:49
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Luneshot posted:A few months ago there was a twitter hashtag for "bad stock photos of your job"; it convinced me pretty handily that the people taking stock photos don't give two shits about accuracy. I'll just leave this here: https://twitter.com/darkstockphotos
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Dec 18, 2018 02:18
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They'll spend all day looking for pig #3!
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Feb 7, 2019 23:20
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pseudorandom posted:What the gently caress was he hoping/expecting to happen? "I'll just disconnect this big rolly thing on a hill and hope it won't roll anywhere." Yes, the trailer parking brake should lock on with loss of air pressure.
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Nov 20, 2019 07:53
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