Johan von Konow

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Category Archives: Misc

Fixing broken LED light bulbs

Posted on 2013/05/21 by Johan von Konow
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How to turn three broken LED lamps into two working ones…
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Posted in Electronics, Misc, Quick hack, Repair | Leave a reply

Laser cut gingerbread house

Posted on 2012/12/06 by Johan von Konow
47

gingerThis year we created a miniature gingerbread house using a 50W laser engraver.
Happy holidays!
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Posted in 3D model, Design, Misc | 47 Replies

Low cost microscope powered by USB

Posted on 2012/11/27 by Johan von Konow
2

microscopeYou can get a decent SMD stereo microscope for just 60$!
I added external power so I don’t need to change the batteries.
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Posted in Electronics, Misc, PCB, Quick hack | 2 Replies

Miniature USB to serial PCB

Posted on 2012/03/08 by Johan von Konow
26

IMG_2131Build a small FT232 USB to serial adapter that fits directly in the USB port.
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Posted in CNC Mill, Code, Electronics, Misc, PCB, Quick hack | 26 Replies

Ultimate PIC16F628/627 breakout board

Posted on 2012/03/08 by Johan von Konow
6

IMG_2143bA miniature breakout board for rapid development of microprocessor projects.
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Posted in CNC Mill, Code, Design, Electronics, Misc, PCB, Quick hack | 6 Replies

Low cost Light box

Posted on 2011/12/10 by Johan von Konow
3

lightboxA foldable light box from a laundry basket and halogen work light

Features:
• Low cost
• Easy to build
• Easy to store (foldable)
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Posted in Misc, Quick hack | 3 Replies

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