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Author Archives: robertwilkie
Cool 3 color CNC wall plotter
Reminds me of the Maslow CNC in its build. Most of the parts are 3D printed and it has an internal gear to switch markers. I like how the author uses vasoline for “grease”. Parts here https://www.thingiverse.com/thing:4192091
Posted in Cheap, CNC/3D-printing, Misc-Life
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Nice center punch build
But its alot of work, for something you can get pretty cheap at Harbor Freight. Me…I think I would buy it myself. Thought the homemade one does seem to work better. https://www.homemadetools.net/forum/spring-center-punch-video-90441#post200601
A simple small (and cheap) vaccum chamber
A really small one, made with a glass jar, and a cheap battery operated food container pump. Figure 5-6 dollars in materials. Good for small resin builds.
Posted in Cheap
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OK crazy boat motor build
The author uses 8 cheap DC brushed motors, and an 8 way gearbox to drive a propeller for a boat. Cool build but I don’t know how long that setup will last.
Making your own lie detector
Now you have to attach staps to the person, but its an interesting build using an arduino to tell when someon is not telling the truth.
3D print a frame for Pingpong ball disffusers
Basically you use the ping pongs as an LED diffuser. Neat idea.
Posted in Cheap, CNC/3D-printing, Misc-Life
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Turn a RPi into a Dogecoin miner
Not so sure how much you would get from this, or if you get even close to enough to cover the electric costs. Anyways could be a good way to into people into mining. https://www.instructables.com/How-to-Make-a-Raspberry-Pi-Crypto-Miner-Dogecoin/
Posted in Cheap, Linux, Misc-Life, RaspberryPi
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Nice short write-up on using dowels for joints
The author does a nice job on how you can a tool called the dowelmax to use dowels as corner joints. But…I have seen several homemade tools that do the same job. Still nice article to read up on.
Posted in Misc-Life, woodworking
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Using a RPi as a security camera
Interesting build. Myself, I am still fond of Wyze cameras, thought some changes have me a little concerned. https://www.makeuseof.com/create-a-multi-camera-cctv-system-with-raspberry-pi-and-motioneyeos/
Posted in Misc-Life, RaspberryPi, Security
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3D printing forms for making custom paper shapes
Basically the author takes old paper, converts it back to pulp, and then puts it into a form he 3D printed out to shape the paper. Nice idea to make custom containers.
Posted in Cheap, CNC/3D-printing, Misc-Life, Teaching and Learning
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