Open Hardware and Hacking
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Keropunk Part 4: Kerosene Heaters Thermal Images and Operating Notes
I think this will end up being the last of the keropunk series for now - though I reserve the right to write more of them in the future! This week’s post is going into a bit more detail about the kerosene heaters, doing my usual thermal imaging, and looking at some of the economics of various heat sources.
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How Purism is Advancing Made in USA Electronics
If you are curious to know how and why it matters where your phone is manufactured, CNBC’s new short documentary is for you. "Purism is one American company that has been able to do what many are calling the impossible” it says.
CNBC wanted to find out why tech giants aren’t making smartphones in America. Take a look at Purism’s effort to make electronics in the USA. The video takes you into our factories to show you we produce Librem 5 USA, privacy-first phone with Made in USA electronics. They also published a news article here.
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How To Repair? The Death Of Schematics
There was a time when, if you were handy with a soldering iron, you could pretty easily open up a radio or TV repair business. You might not get rich, but you could make a good living. And if you had enough business savvy to do sales too, you could do well. These days there aren’t many repair shops and it isn’t any wonder. The price of labor is up and the price of things like TVs drops every day. What’s worse is today’s TV is not only cheaper than last year’s model, but probably also better. Besides that, TVs are full of custom parts you can’t get and jam-packed into smaller and smaller cases.
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Reverse Engineering “The Seven Words (and More) You Can’t Say On TV”
For as visionary as he was, [George Carlin] vastly underestimated the situation with his classic “Seven Words You Can’t Say on TV” bit. At least judging by [Ben Eater]’s reverse engineering of the “TVGuardian Foul Language Filter” device, it seems like the actual number is at least 20 times that.
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Portable ESP32 RGB Lasershow Has All The Trimmings
Perhaps there was a time when fancy laser effects were beyond those without the largest of bank accounts, but today they can be created surprisingly easily. [Corebb] shows us how with a neat unit using an off the shelf RGB laser module and mirror module, driven by a ESP32 with software designed to make it as easy as possible to use.