Author Archives: robertwilkie

Turning an RPi into a crypto miner

Posted on December 9, 2022 by robertwilkie

OK I am not sure if this would be worth it besides the learning part, as how underpowered a RPi is, still a nice writeup and if you have a RPi that can run on its own generated power, maybe … Continue reading →

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Nice plotter build

Posted on December 8, 2022 by robertwilkie

Pretty fast plotter too. https://hackaday.com/2022/06/19/this-arduino-pen-plotter-is-built-for-speed/

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Cool magnetic transmission build

Posted on December 7, 2022 by robertwilkie

Nice but complicated build for a magnetic based transmission. https://hackaday.com/2022/09/02/magnetic-gearbox-can-go-fast-but-not-hard/

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Using hoverboard motor for wind power

Posted on November 30, 2022 by robertwilkie

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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Cool robot for shutting/opening curtains

Posted on November 21, 2022 by robertwilkie

This is a need bot that can open and close the curtains for you. Of course you need a decent rod and the curtains need to be those in and over types. The downside is with the discount they are … Continue reading →

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Multipurpose table saw sled

Posted on November 18, 2022 by robertwilkie

I like this build, but a few things I would add is a tape measure on the top of the backstop, a “stop” for repeat cuts, and a sliding bar on the backstop to add stuff to the sled. Of … Continue reading →

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Nice build for adding LED’s to a mask

Posted on November 17, 2022 by robertwilkie

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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Cool Monitor build for pools

Posted on November 16, 2022 by robertwilkie

If I still had a pool, this could be a build for me, helps monitor different aspects of the pool and equipment using an ES32 https://hackaday.com/2022/04/16/iot-pool-monitor-helps-you-keep-it-crystal-clear/

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converting an old plotter into a camera slide

Posted on November 15, 2022 by robertwilkie

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/

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Building a simple water sensor for Arduino

Posted on November 14, 2022 by robertwilkie

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 →

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