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Comment: DC (Score 1) 588

by WillRobinson (#49791057) Attached to: How Tesla Batteries Will Force Home Wiring To Go Low Voltage

As you know being a RV dweller doing this type of stuff you will have to upgrade the wiring size just to deal with current increase, and circuit break box. The only way would be in new homes.

While this would integrate well if using wind power and solar as a supplement to your home, those homes just using AC/DC will see high loss in total conversion requirements.

Unless your talking conversion to like 48VDC throughout house, or something that would just require half wave conversion and then current control on output into a battery bank as both a buffer and filter.

Comment: Re:tethering (Score 1) 112

by WillRobinson (#49531173) Attached to: Google Launches Project Fi Mobile Phone Service

I switched from verizon to sprint, got 20 gig plan, lease two IPhone6+ and got a free Tablet, my bill is 200 a month, 75$ of that is phone lease, got the upgrade anytime thing.. So for 20 gig of data, on 3 devices including all calling and text is 125$ including taxes. I live where there is no cable and wireless internet is nuts due to installation costs. You can tether off any of the devices, I use the tablet as my access point and get good data rates and ping. I was really hoping that their data rate would be more reasonable, I know a few ISP guys and 2$ a gig is normal so I expect that they are are paying the carriers probably 4$ a gig.. Then they have all their internal costs and provisioning etc, so ya figure 8$ a gig with loaded overhead.

Comment: Re:Since when is AMT controversial? (Score 1) 179

by WillRobinson (#48938769) Attached to: FSF-Endorsed Libreboot X200 Laptop Comes With Intel's AMT Removed

I absolutely agree with you. Looking back and remembering what we thought technology would turn into from the 80's and looking at it today's light, things have gone to hell in a hand basket compared to what we thought these technology's would become. Remembering back to some of the first hacks we read about, I never thought we would be spending so much energy on securing every point, as either someone was trying to abuse the system or our own or other governments and entity's trying to monitor us or steal from us.

I have unfortunately became my own father, "trust nothing you read, trust nothing you hear, and only trust half of what you actually see"

Comment: Re:Who eats doughnuts with the doughnut men? (Score 2) 468

by WillRobinson (#48909641) Attached to: Police Organization Wants Cop-Spotting Dropped From Waze App

Yes its nice to be alerted to the police, not just for checking if your speeding. Here in Texas, the law is "The law states a driver must either vacate the lane closest to the stopped emergency vehicle if the road has multiple lanes traveling in the same direction or slow down 20 miles per hour below the speed limit. (If the speed limit is below 25 mph the driver must slow down to 5 mph.) "

Waze does not have listing for Ambulance, or fire truck etc. But you still have to move over, and with traffic here its good to know a mile ahead so you can safely change lanes.

I use it daily, and I wish I had access to the data and do a map of locations where a police have stopped over 30 times a year. That would show every speed trap they use. And they do use those just to make their quota..

I am sure you at least have encountered that situation it one time in your life.

Comment: Re:Earthshaking (Score 1, Insightful) 124

Obviously they are either incompetent or not willing to pay for proper maintenance. These switch centers should be inspected yearly by someone using heat measuring video, this finds any hot spots which are usually caused by bolts getting loose over time from contraction or weakening from heat. I can not think of a single plant that I have worked in that does not do this. The downtime cost way outstrips the expense of doing it.

Comment: Re:great photowork there (Score 1) 93

by WillRobinson (#47135087) Attached to: How LEDs Are Made

Hate to tell you, K&S is not the leader in die bonding or wire bonding, but thats just from my observation in factories full of die bonders and wire bonders.

I design build and install backend semiconductor equipment, since the late 70's.

Back in the 1980's huge factories in Asia were installing the latest automated equipment. It was not unusual for us to install die bonders that were capable of 5k parts per hour per machine. In groups of 40 machines per device.
These were dedicated to a particular type of lead frame. But could mount multiple types of die. We had lines of 2N2222's at customers putting out over 20 million parts per week, all in a area the size of that room shown, including wire bonding. They had streamlined the whole process including injection molding, testing, and marking in a area only 5 times that room size. Before the automation there was 1000 girls per shift doing the same thing.

I was amazed that the Asian factories had such good automation compared to what I had see in factories here in the USA. But it was truly due to total volume. Here I NEVER saw a factory if the scale I would see there. Now I used to put this over to just labor, overhead cost etc in my mind back then. Later I would think it was due to regulation. Instead I now put it to foresight. They they knew if they could do it even 1/10 cent cheeper they would get the work. And if they got the work, it would never come back here to the USA. And they were right.

Led work is somewhat slower, especially those T1 frames they are using. They have to be handled vertically, and the spacing in between is large. So indexing time and centering of the cup takes a bit more work. Back when we did make machines for that product, the typical machine ran about 2K parts per hour. I am sure now, a bit faster indexing is possible. Thats why so many leds now are done on flat stock and molded and surface mounted, density and speed of manufacturing is much higher.

What they are showing is a cheep startup. Sales of led's by the container load are cheep, as it is a very stable process and anybody can do it. Where the problem comes in is manufacturing variables mostly in the wafer to have even appearing leds. Since the majority of leds are for human viewing, doing things like stop lights or where there are more than one led per product, we want them to appear the same, and look the same over time. So if you get led's from different lots they can appear to be different to the human eye. Especially if they are high output, as heat dissipation over time really degrades the device. That is also why they dont mount die directly to a PCB for stop lights. You can see if one die is different from the other, and while it is possible to adjust each die with a resistor, this adds another step, laser trimming of resistors using visual feedback. The cost of changing out a led made on a metal frame, and the cost of laser trimming is vast, when speed of manufacturing is involved. Much cheaper to just remove the leds and put another in, same for repair. If you pot a lens over a single pcb with multiple dies, it is no longer repairable.

Comment: They will never learn (Score 2) 276

by WillRobinson (#45369755) Attached to: Snowden Used Social Engineering To Get Classified Documents

There are no secrets.. They eventually get out.

What I am curious about, is with all this data they are sifting how come there is nobody from Washington in Jail? You know they are
mostly self serving scumbags.

What bothers me more about all this data, and is never mentioned, is that it is possible now for people who have access to all this
big data, to profit from it on the stock market very easily.

If builders built buildings the way programmers wrote programs, then the first woodpecker to come along would destroy civilization.