Category Archives: DIY

Rain Sensor

Posted on January 1, 2019 by

I thought it would be interesting to add a rain sensor to my tipping bucket rain gauge. Because it take time for the bucket to fill and does not always tip right when it stops raining a sensor that detects … Continue reading →

Posted in Amateur Science, Astronomy, DIY, Electronics, environmental monotoring, Imbedded Software, Nature, Software | Tagged , , , , , , , , , , , | 1 Comment

Barn Door Star Tracker

Posted on October 21, 2018 by

I wanted to take some star pictures with my DSLR and decided a barn door style star tracker would be a fun project to build. Early versions were nothing more than two boards connected by a hinge with a screw … Continue reading →

Posted in Amateur Science, Astronomy, DIY, Electronics, Imbedded Software, Photography, Software | Tagged , , , , , | Leave a comment

Building A Sand Muller

Posted on May 28, 2018 by

To do sand casting a muller is almost a necessity. It is difficult to mix up foundry sand either green sand or oil bonded sand without a muller. I have been thinking about how to build a muller for some … Continue reading →

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UVA UVB Sensor

Posted on March 1, 2018 by

I have a commercial UV Index sensor running but I found an IC sensor chip that would measure UVA and UVB separately and thought it would be interesting to see how the two UV bands varied with respect to each … Continue reading →

Posted in Amateur Science, DIY, Electronics, environmental monotoring, Imbedded Software, Nature | Tagged , , , , , , , , , , , , , , , , | Leave a comment

Laser Cut Gaskets

Posted on January 20, 2018 by

Now and then I need gaskets for one of my projects. Of course I could cut a gasket out of a sheet of gasket material with scissors or X-acto knife and use punches for the holes but using a laser … Continue reading →

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CoCoRaHS sign

Posted on December 24, 2017 by

I have wanted a sign for my weather station for some time. Signs for CoCoRaHS has just become available so I ordered one. They made the sign with room at the bottom to put your station number. This article is … Continue reading →

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Mill Clamping

Posted on October 6, 2017 by

Now that my shop build is finished I can get on with some projects. Some of my upcoming projects will need a way to hold small irregular parts in the mill/drill. Several home shop machinists on the web describe making … Continue reading →

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