Geo, Space, Data… Science
As part of an environmental monitoring system for an observatory, I wanted to include a measure of ambient light. Ostensibly, this is for safety reasons. However, I must admit that I really just want to see if I can (coarsely) measure sky brightness. There are a number of inexpensive light sensors available from AliExpress/Amazon. The…
After building the Mark I cloud monitor, I realized that I really wanted something with power-over-ethernet (POE). The cheap network adapters that I use typically have an HR911105 (or similar) RJ45 connector which is not compatible with POE. I’ve looked but have yet to find any of these adapters with POE, so I decided to…
I’ve wanted to build a cloud sensor for years now, but never actually found the time to do it. So, after seeing IR sensors for something on the order of $5 a piece, I ordered a couple and thought that I’d give it a shot. This has undoubtedly been done by lots of other people,…
Most of my time is spent near London, Ontario (the other London) where the weather is, well, crap. During the summer months it can be decent with lots of clear (but short) nights but, in the winter, we can be blessed with weeks of overcast skies. And in between, the saddle seasons can be cool…