Category Archives: Electronics

Barn Door Star Tracker

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

UVA UVB Sensor

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

IoT Rain Gauge

On thing that is missing from my weather station is automatic reporting of rain fall. I have a manually read CoCoRaHS rain gauge which is more accurate than say a tipping bucket gauge but I thought it would be nice … Continue reading

Posted in Alternate Energy, Amateur Science, DIY, Electronics, environmental monotoring, Nature, Software | Tagged , , , , , , , , , | 1 Comment

CNC Laser Cutter / Engraver Build

I see a number of articles on the WEB about using a blue laser around 2 watts for cutting and engraving. A lot of times the laser is attached to a 3D printer. Now I have a 3D printer but … Continue reading

Posted in 3D printing, CAD, CNC, Crafts, DIY, Electronics, Machine Shop, Software | Tagged , , | 4 Comments

3D Printer

Like all of my blog posts this article is not intended to be a how to tutorial but rather just my experience and observations in building a 3D printer. A few months ago I decided that I wanted to have … Continue reading

Posted in Crafts, DIY, Electronics, Machine Shop, Metal Working | Tagged , , , , | 2 Comments

PC Problems

A while back the computer that runs my instrument platform died. I don’t know what happened but I ended up replacing the internal power supply, motherboard and memory stick to get it working again. The front panel USB board was … Continue reading

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CNC lathe

I have a Craftsman Atlas 6″ lathe that has been a workhorse for years. Recently I have a couple of lathe projects that are difficult or impossible with a manually operated lathe. So I have been modifying the lathe to … Continue reading

Posted in DIY, Electronics, Machine Shop, Metal Working | Tagged , , , , | 2 Comments