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John’s Tech Blog
Technical hobbyist exploring Raspberry Pi, ham radio, networking systems, GNSS/RTK positioning, laser engraving, and digital camera hardware.
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History Of John’s Tech Blog
20 watt lens parts kit (click pics to enlarge)
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Adding Centering Mark To Stationary Part Of Chuck (click pic to enlarge)
IR Laser Engravings (click pics to enlarge)
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