Interesting Technical Videos or Websites

https://www.youtube.com/watch?v=9fGurEa3EVk
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Hand making Guinness barrels circa 1954
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289
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"Mini" (read Tiny) steam engine construction.
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256
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Repeater Antenna Tips
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304
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Measuring coax length with the Nano VNA.
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4
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442
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A "fun" power inverter....
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298
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A simple Arduino Zener tester.
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292
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Using an old Android phone as a controller...
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1
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270
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New micro from raspberry pi foundation. RP2350
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1
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343
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555 as a MOSFET driver
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315
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Replacing a Triple Diode/Triode tube with solid state
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1
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379
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Revisiting the Forrest Mims III Engineer's Mini Notebooks.
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3
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485
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40 to 10M portable vertical antenna
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1
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292
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Some ideas for using a USB-C charger for various battery configurations.
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258
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This could be a fun ESP32 device...
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344
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Eric Laithwaite -- Magnetic River
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3
Views
445
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A new battery that sounds quite promising.
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1
Views
366
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Cavity Filters Explained
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1
Views
399
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For those who need a really great PC!
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0
Views
362
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Accurate GPS
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370
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A series of videos on upgrading the cheap 3018 CNC machine.
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1
Views
397
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