Archive for the ‘Uncategorized’ Category:

2015-03-31 See Through Electronics

My sister sent me this link to a 5 minute video from Corning Glass about all the things of the future you might see that will be made of glass. I think a good amount of what it shows may come true.  But I would like to add my fair share of what I have

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2015-03-22 TV And Other Remote Controls

I have one major complaint about the remote controls: the buttons wear out quickly.  But what if they had few or no buttons?  Is this possible?  I began considering what could be done to make this happen, and came up with some ideas that I believe will happen in the future, if they haven’t already

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2015-03-04 Power Bank For Mobile Charging

Last year the power banks became popular, even though they’ve been around for awhile.  For the last month or so I’ve been assembling my own 5v power banks mostly from stuff I got from Goldmine Electronics.  Last year I got some green 6 volt NiMH battery packs from them and I hadn’t found a use

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2015-03-03 Fuel Cell Mobile 5 Volt Charger

It’s very innovative!  Notice that in the cutaway view there is a large amount of insulation between the fuel cell and the case.  That’s because it gets very hot!  (This is like my solar rechargeable power pack that sits in the sun and it gets hot!  Too hot for the battery, so I usually charge

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2015-02-17 Doule Thief NPN PNP

I was looking at two schematics online, one a NPN Joule Thief, the other a PNP Joule Thief. The gears started turning and I thought that I could combine them into one Joule Thief. At first I thought dual Joule Thief, but combined it, too, into Doule Thief. Why not… One may ask why do

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2015-02-05 Boiler Room Calls Selling Solar Panels

I have been getting these boiler room calls so often that I’ve begun to remember the numbers and just don’t answer them.  But the robocall voice still leaves a voice mail, which wastes my time and minutes. I have my phone numbers on the Do Not Call List, so all their calls are illegal.  I

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2015-02-04 Designing With LEDs Newsletter

I got an email from Designing With LEDs about replacing fluorescent tube fixtures with regular light fixtures and using LED lights. I have an old fluorescent tube fixture hanging from chains in my garage and I hadn’t considered replacing it because it gets used so little. It plugs into a socket so replacing it is

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2015-01-31 PCs And People

I’ve been seeing a lot of systems with a small 64 GB SSD, some also have a HDD.  Apparently the SSD’s much lower power allows the maker to install a smaller battery, saving money. The bigger 256 GB SSDs seem to cause the price of laptops to go up by a few hundred or more,

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2015-01-28 LED Vs Incandescent Lights

I am listening to this program about energy efficiency on PBS.  They stated that in terms of light to heat ratio, the incandescent light produces 5% light and 95% heat, and a LED light produces 25% light and 75% heat. My observation is that despite the LED light’s 5 times higher efficiency, there is still

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2015-01-20 Problems With My Phone Providers

Well, I am trying to transfer my at&t “wireline” home phone number to a new cell phone.  I’m having a very difficult time doing it.  Here’s the ridiculously long story. My at&t home phone has the basic phone number on it that I’ve had for a very long time, so I want to keep that

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