Author Archives: robertwilkie

Nice jig to make grooves or pockets

Posted on April 17, 2023 by robertwilkie

pretty much a router jig to make a pocket or groove in a board. Easy to use too. https://www.homemadetools.net/forum/grooving-fixture-router-trimmers-video-93593#post212518

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Convert your cheap CNC to a plotter

Posted on April 14, 2023 by robertwilkie

Pretty much adding a drawing attachment to a 3018 CNC (which I think runs around $200). Not a bad idea to multi purpose the CNC. https://www.instructables.com/CNC-3018-Cutting-Plotter-with-Workflow/

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Arduino gear cutter

Posted on April 13, 2023 by robertwilkie

Nice built to automate cutting a gear from a disc, you enter in the diameter of the circle, number of teeth, and it goes thru and cuts the gear for you. https://www.homemadetools.net/forum/arduino-gear-cutter-video-93274#post211426

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Opensource Pasta cooker

Posted on April 12, 2023 by robertwilkie

OK it doesn’t cook the pasta, its a sensor/timer for passive cooking the pasta, basically instead of leaving it in boiling water, you heat up the water, put the pasta in and this device tells you when its done (before … Continue reading →

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Nice Solder fume extractor

Posted on April 11, 2023 by robertwilkie

Yes I know there are multiple ones out there, but this one the author uses an ATiny as a PWM controller for the fan so each hit of the switch changes its speed. https://hackaday.com/2022/09/04/diy-fume-extractor-with-attiny13-speed-control/

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Interesting Jointer jig

Posted on April 10, 2023 by robertwilkie

Interesting jig that seems pretty adjustable for different sizes. https://www.homemadetools.net/forum/woodworking-tool-easy-make-hidden-joint-large-panel-domino-joint-93339#post211638

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Nice plans for a circle cutter

Posted on April 7, 2023 by robertwilkie

First time I stumbled onto this site, seem to have some other nice stuff too. https://grabcad.com/library/router-circle-cutting-jig-1

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Cheap 2 servo plotter

Posted on April 5, 2023 by robertwilkie

Interesting build using a couple of servo’s and drawer slides. Seems to work OK too (Oh an arduino as the controller https://www.instructables.com/Two-Servo-and-Drawer-Rail-Pen-Plotter/

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Making a cheap seismometer

Posted on April 4, 2023 by robertwilkie

If you need or want to measure earthquakes, here is a build for you. Uses an arduino for recording measurements. https://www.open-electronics.org/extremely-sensitive-cheap-homemade-seismometer-2/

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The poor person’s bubble machine

Posted on April 3, 2023 by robertwilkie

I got a kick out of this one, the Author basically glues on cheap wands from dollar store bubbles and puts them on a disk that spins and blows out bubbles. https://content.instructables.com/F29/G4Q2/L2UG7ZQL/F29G4Q2L2UG7ZQL.jpg?auto=webp&frame=1&width=320&md=60c59b8a36a83959e7494958dcaa84c8

Posted in Cheap, Teaching and Learning, Tinkering | Comments Off on The poor person’s bubble machine