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Drip systems usually run at (relatively) high pressure. A garden hose is low pressure. Another way to say this is to say that in a garden hose the pressure declines all the way from the spigot to the hose exit.…
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Peppers, the Container Harvest
I have four bucket containers, more on those in a later post. This morning I disposed of my bolted and resinous basil plants. Last plant in container is my peppers, hot as hellfire, colorful as sunset. The buckets worked well…
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Woodworking and 3D Printing
I put off finishing making a wooden box for years. The parts, four panels and a sheet of panel ply have been at my workbench for ages, but I have waited to finish the box because I couldn’t figure out…
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Parabolic Reflector Base for Lichtenberg Figure
I have a cylindrical acrylic Lichtenberg figure I have been displaying for several years on a turned cherry base I made…and never liked. I decided to improve the situation by building a system for more uniform illumination of the entire…
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3D Printed Theodolite and Survey for Stellarium
For years I’ve wanted a theodolite but even used they are not particularly affordable. To support planning sky viewing a wanted to be able to survey the obscuration from buildings and trees in my front and back yards. Thingiverse offered…
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Pi Weather Station with InkyWHAT Health
I made a thing. This thing is–neh, this ensemble of things–is a Raspberry Pi 3 server with attached local sensors and an attached local eInk display. Furthermore this Pi uses an RTL SDR to collect information from my outside sensors…
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Better Filament Dryer
The previous dryer only achieved a peak temperature of about 47C, which is much lower than the recommended 80C from 3devo. I made two upgrades: Wrapped the bucket in a moving blanket for insulation, and then because I was concerned…
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3D Printer Filament Dryer
I built a filament dehydrator following the basic plan on Taulman3D’s site, which I expect to need for both PETG and nylon prints. PLA prints have never been a problem for me here in the high desert. Taulman3D suggests using…
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Paper’s Effect on Fountain Pen Line Widths
I have noticed that when I’m writing scratch notes on the back side of waste printer paper with my fountain pen I get blobby lines. It usually feels difficult to write clearly, especially when I scribe crossing paths in a…
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Direct Monitoring Amplifier
I like to use closed headphones. These often significantly attenuate outside noise but challenge me to hear my own voice. Typical attenuation of some relevant headphones or headsets are summarized by the following table. Headphone Attenuation Westone in-ear Monitors 23…