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WW2 Dynamo Flashlight - Doesn't Use Batteries! Let's look Inside.

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Apollo DSKY - part 1: we have a real (and broken) DSKY!

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Is the Hakko FR301 Desoldering tool worth 4X the ZD915 Clone?

23:23

Raspberry Pi 500: Best Linux Keyboard PC?

38:02

Fluid Simulation Pendant

8:09

How the ISEPIC cartridge works

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Trying to Build a PDP-11 Supercomputer – Part 1

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Making a simple 555 Based Logic Probe