Category: Greenhouse
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A Solar Radiation Study: Comparing Daily Light Integral Across Six Locations
<p class="wp-block-paragraph">Growing orchids in Salem, OR, is not the same as growing in Pasadena, CA, where I started growing orchids in the 1960s. I had not given much thought about the difference in sunlight and now see that I should have. I specified my Salem greenhouse to have a 50% tinted polycarbonate roof thinking I…
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Greenhouse Bench Prototype
<p class="wp-block-paragraph">I’ve created a prototype of a greenhouse bench based on my memory of benches used in greenhouses made by Fricker’s Greenhouses of San Gabriel and Southern California Greenhouse Manufacturers of El Monte. Both of this institutions have vanished and there is almost nothing available on the Internet about them. This was a project scheduled…
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Emergency Debridement Surgery
<p class="wp-block-paragraph">A prized orchid I purchased several weeks ago which bloomed and suddenly became overcome by rot needed quick action. I have never seen anything spread so quickly. I sent and email and left a voice mail with the Florida vendor Saturday afternoon when I discovered the rot, but they had closed for the weekend. …
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Visual Diff Of Printed Circuit Boards
<p class="wp-block-paragraph">A light meter project that measures sunlight in a similar way that a rain gauge measure rainfall caught my interest. I’ve been trying to measure how much sunlight my orchids receive in the greenhouse during low sun months in Salem, OR. The project is a paper published in <em>Electronics</em> titled “<a href="https://www.mdpi.com/2079-9292/14/11/2225">Open-Source Photosynthetically Active…
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Greenhouse Sensors: Version 1
<p class="wp-block-paragraph">Below are the three sensors I assembled for tracking environmental data. I have two in the greenhouse and then one outside. Currently, the three sensors provide temperature, humidity, and power readings every second and send their data by radio to the base station where the data is then saved into a database. From the…