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- Cedar Amateur Astronomers public event Saturday. cedar-astronomers.org/events Join us on Zoom. 1 day ago
- Got walnut and cherry boards from the local lumber mill. https://t.co/NWKSPujJLh 1 week ago
- I got three one inch boards out of a choke cherry log with my chain saw mill. https://t.co/XaO7UqLVEt 1 month ago
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- Today was a typical Irish day, cool, cloudy and light rain. So, for St. Patrick's Day an Irish dinner. This is corn… twitter.com/i/web/status/1… 2 months ago
Blogroll
Tag Archives: homemade
Infrasonic Microphone Part I
Another sensor planed for my atmospheric observatory is an infrasonic microphone. I have a design sketched out and have started on fabricating the mechanical bits needed. So what is an infrasonic microphone good for? The recent Chelyabinsk meteor was detected … Continue reading
Switching Power Supply
My magnetometer sensor is going to run off a 12 volt lead acid battery charged with a solar panel. The main power needed is 5 V DC so a regulator to convert the battery voltage to 5 V DC is … Continue reading
Posted in Amateur Science, DIY, Electronics
Tagged DIY, Electronics, etching, homemade, Power Supply, Printed Circuit board, Soldering
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DIY Machinable Wax
Machinable wax is something that occasionally I could use in my shop but when I look at the price of a piece of it I decide to use another approach. The other day however while browsing the web for information … Continue reading
Jim Hannon's Blog 