Category Archives: Tinkering

Make a simple mouse jiggler

Posted on December 11, 2021 by robertwilkie

OK so I have a need to keep a computer from going into sleep mode, unfortunately the system was configured in a way by the IT dept so we can’t turn off sleep mode. So…using a digispark (arduino clone that … Continue reading →

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3D printed filer

Posted on December 9, 2021 by robertwilkie

OK the author build a tool to file away at something. Hum…I wonder if a belt sander would have been a better build here. Still nice build. The author seems to build alot of 3D printed tools. https://www.homemadetools.net/forum/3d-printed-die-filer-87342?homelistings#post188785

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Using a fingerprint sensor and arduino for a BIO authentication

Posted on December 8, 2021 by robertwilkie

Basically you authenticate your stored fingerprint to the arduino, that then issues the unlock (password in this case as an HID interface) to the computer. Interesting build, would be easy to hack. https://www.instructables.com/PC-Fingerprint-Login-Works-on-Any-Computer-xiao-Ar/

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A simple security cam robot

Posted on December 6, 2021 by robertwilkie

OK so using an ESP-32, the author can remotely control the robot (well has to be on its wifi) to roam around and see whats going on.

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3D print a 3D scanner

Posted on December 3, 2021 by robertwilkie

OK this is a clever build, using an old android phone, arduino, and a motor, the author make a 3D scanner. I would simplify this a bit more by not 3D printing the holder for the phone, and just use … Continue reading →

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Nice video on Component Testers

Posted on December 1, 2021 by robertwilkie

I actually don’t have one myself. But its on the list. Most of the time I am either looking up the part number, or finding my resistor chart. But for $10, this is nice. All based on an arduino too.

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Making a Thermal Insert Press

Posted on November 30, 2021 by robertwilkie

So the author needed to put some fasteners in 3D printed parts, the base way is to melt them in. Problem is getting is straight for a bunch of them. So we made a thermal press with a soldering iron. … Continue reading →

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Interfacing RPi GPIO remotely

Posted on November 29, 2021 by robertwilkie

The author basically made a simple rest interface for the GPIO pins of an Raspberry Pi with an installer. This way you can interface it remotely.

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Nice CNC Etch-a-Sketch build

Posted on November 28, 2021 by robertwilkie

A bit older article, but its a nice build where the author can draw on an etch-a-sketch.

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Another mini boat build

Posted on November 25, 2021 by robertwilkie

I can’t remember if I mentioned this build before. They author sells it as a “kit” too. Its a nice looking build, still alot of work to make. https://www.instructables.com/Mini-Boat/

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