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The top can be spun with two hands grabbing the large diameter or with one hand by spinning it from the tip with two fingers
The blade does not lock when it is out
Please use responsibly
but easy to open post
configurable
Power Ground Water Pen The top can be spunA series of printed circuit boards [PCBs] weave a narrative from the fundamentals of electronics, to the transistor, logic gates, computational building blocks to a programmable micro controller. A series of "physical lecture notes" present a low level entry point into the material of electronics. This perspective is usually reserved for engineers, and obfuscated within the sealed boxes of our phones and computers. Here we consider the material of
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