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Viewing profile — jbuch

jbuch

HN member
Joined
Thu, Mar 12, 2020, 8:00 AM UTC
HN karma
60
Public activity
8 items

About jbuch

Justin Buchanan

Software Engineer \ Tinkerer

https://github.com/justbuchanan

Recent public activity

  1. comment
    Comment #44371087

    Thanks! I'd recommend @SerpaDesign on YouTube as a great source of info on terrariums - he's got quite a few videos that cover this, but here's one to start: https://www.youtube.co…

  2. comment
    Comment #44370171

    Full spectrum would be more optimal, but the 5700k "daylight" LEDs I'm using still work very well. They're probably lacking a bit on the red end of the spectrum compared to a full-…

  3. comment
    Comment #44369936

    Thanks, just added that.

  4. comment
    Comment #44368110

    Thanks! Sounds like a fun project, best of luck! Would love to see what you come up with. One word of warning with the misting: using them in an "upside down" configuration as I'm …

  5. comment
    Comment #44367470

    Thanks! > To protect the ultrasonic mister from bad firmware frying it, you could probably replace R6 with a sufficiently sized capacitor to make an effective DC block That is an e…

  6. comment
    Comment #44367230

    Total cost is roughly $110 USD, but there are a couple caveats to that price: - some parts are sold in multiples, so you'll have to buy several even if you only need one for the bu…

  7. story
    Show HN: Oasis – An open-source, 3D-printed smart terrarium

    See the website for a demo video: https://oasis-terrarium.com This project is an enclosure for growing plants. Features include: - high-power LED lighting - a built-in water tank a…

  8. comment
    Comment #26299599

    They give it high-level commands like "run this flight pattern at 11am", but there's no human controlling a joystick. It takes radio waves 3-20 minutes (depending on orbit position…