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Arduino Stepper with Potentiometer Speed Control

Chris Garrett

For my 3D printed turntable I obviously need some way to turn the turntable, and preferably for video and scanning, some method to control speed. Fortunately, I have a whole box full of those cheap and ubiquitous stepper motors, the 28YBJ-48 plus the ULN2003 driver board.

by Chris Garrett Filed Under: Hacks, Tips, and Tutorials Tagged With: arduino, diy, making, robots, steemmakers

Best K40 Laser Upgrades – Upgrading my Laser Engraver Part 3

Chris Garrett

I am on a mission to make my Chinese K40 Laser Engraver work like a much more expensive USA name-brand machine.  Update to Part 2 – Brain Boosting Previously, I bought and installed a new mainboard of electronics, and a filter for the pungent smoke.  I am happy to say, while the filter still feels […]

by Chris Garrett Filed Under: Reviews and Buying Guides Tagged With: art, cnc, design3d, diy, steemmakers

Can I replace my iMac with a DIY PC?

Chris Garrett

Can I replace my 2012 iMac with a DIY PC that is at least as powerful? Can I do it for less than a new iMac would cost me? Will it run MacOSX?

by Chris Garrett Filed Under: Makes, Tests, and Builds Tagged With: apple, budget, build, buying, diy, hackintosh, pc

Take Better Macros with this DIY Foamcore Product and Macro Photography Diffuser

Chris Garrett

Product and Macro photography benefits from good light. To attract more and better buyers it helps to have good, detailed, well-lit products. How can you do that on a tiny budget? Read on!

by Chris Garrett Filed Under: Hacks, Tips, and Tutorials Tagged With: diy, lighting, photography

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