Author Archives: chris

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About chris

Software developer

LeCroy Oscilloscope Memory Cards

This article is related to so-called “memory cards” (MC01) or SRAM cards. Mass storage cards (HD01) generally Just Work if your scope supports them. I want to attempt to solidify information surrounding the use of memory cards (MC01 SRAM) in … Continue reading

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3D Printed Motorcycle Gas Cap

I lost my fuel cap during a night ride so I designed and 3D printed a new one. Designed in OpenSCAD with the threads.scad library by Dan Kirshner. Printed in PLA+. I wasn’t sure if the PLA would hold up … Continue reading

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3D Printed Zipper

My motorcycle jacket is well past its end of life but I keep it on support. The original metal zipper slider (aka car) started bending internally until finally it wouldn’t work any more. I replaced it with a 3D printed … Continue reading

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Small Plastic Shelf Bracket

During moving some furniture we lost a bunch of these tiny brackets that insert into the sides of shelf cases. 3D print to the rescue. Modeled in FreeCAD. Printed in PLA+.

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Outside Light Mounting Spike

Another 3D print I designed in FreeCAD and printed for someone else. These things break all the time because they’re pushed in to the ground and are fairly expensive to replace so 3D printing is a good option. Printed in … Continue reading

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Sink Drain Stopper

3D printers are an endless source of usefulness. My ancient bathroom sink drain plug lifting mechanism broke such that it was always stopping the drain. I couldn’t leave the plug out because if you drop something in the sink, down … Continue reading

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Honda motorcycle OBD/k-line interface gear indicator

I’m building a gear indicator and information display for my CBR500R. It uses an Arduino Pro Mini, Nokia 5110 display, and hooks in to the Honda diagnostic connector under the seat. Protocol is a custom OBD k-line format. Here is … Continue reading

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Motorcycle Stand

I used FreeCAD to model this simple motorcycle stand before building it. It’s made out of 2×4’s with glue and screws. I think it could easily hold a whole car up.

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FemtoWii

This is a small 25mm by 30mm MultiWii board I started designing a while ago. I haven’t had much time to refine or test it. I did create a prototype board but that’s about it. The intent was to create … Continue reading

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FrSky Taranis

The radio doesn’t sit flat on the bottom when you set it down on a level surface. External TX module pins must be bent to fit modules.

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