Category Archives: Cheap

Using hoverboard motor for wind power

I like this build, pretty simple (thought doesn’t have the vanes yet). And a slow spin already cranks out some impressive voltage https://www.pinterest.com/pin/714805772084375932/

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Nice build for adding LED’s to a mask

The author sells most of the stuff to do this too. Basically you use conductive tape to line out the postive/ground lines, use sticky LED’s to “glue” onto the mask, and add a battery on the inside (coin). And done. … Continue reading

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converting an old plotter into a camera slide

The author took and old plotter and make a motorized camera slide out of it. Nice build, only issue I can see is its a “short” slide. https://hackaday.com/2022/04/07/turning-old-plotter-parts-into-a-smooth-camera-slider/

Posted in Arduino, Cheap, CNC/3D-printing | Leave a comment

Building a simple water sensor for Arduino

Should work with other controllers, basically you have a resistor in a circuit, and if it gets wet, the circuit is shorted out so you detect that. I put 2 wires in a sponge myself (separated) an when the sponge … Continue reading

Posted in Arduino, Cheap, Misc-Life, sensors | Leave a comment

Simple bow sander

https://youtu.be/LyaBgBfNOBI Author basically takes so strips of plastic and hours them together on a sanding belt. https://www.homemadetools.net/forum/bow-sander-abs-plastic-video-93325#post211592

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Diffuse LEDs with milk bottles

Nice idea but actually you could use any bottle that is not completely clear. https://www.instructables.com/LED-Diffuser-From-Plastic-Bottle-or-Milk-Bottle/

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A drawbot that can use a multi color pen

Interesting build for a drawbot, it uses a multicolored pen to switch colors, instead of changing the “pen” for each color. https://www.instructables.com/Multicolor-DrawBot/

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Cheap upgrade for an extension cord

This is not a bad idea, box costs about $1.50, outlet another $1.50, just a heavy new plug end is $4-5 dollars. And this way you get 2 plugs https://www.instructables.com/Upgrade-a-Broken-Extension-Cord/

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TinyPilot, an RPi remove KVM

For under $100, the author build a remote KVM that was pretty responsive with a Raspberry Pi. Pretty nice set of directions and cheaper than going with a commercial route https://tinypilotkvm.com/blog/build-a-kvm-over-ip-under-100

Posted in Cheap, Linux, Misc-Life, RaspberryPi | Comments Off on TinyPilot, an RPi remove KVM

Convert a RPi zero to a RPi

Basically its a daughter card for the RPi zero that can convert it so it has the full footprint of a RPi. Board runs around $15, so 15 + 10 for the zero (if you can find one) is a … Continue reading

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