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Recent content by kelelec

  1. K

    greenhouse control system?

    Update: Using 8A solid state relays for the 240v vents and fans - very easy to use, and seems to handle the load fine - fan as measured is greater than 10A starting (MAX recorded OL), I saw 5A, steady state is 1.66A. One vent (of two total) is 0.05A while opening, 0.075A while holding open...
  2. K

    greenhouse control system?

    Thanks!
  3. K

    greenhouse control system?

    ATmega328
  4. K

    greenhouse control system?

    I'm looking for some greenhouse automation. Initially, I need to cycle exhaust fan to control humidity (if humidity is high, exhaust fan on for 2 minutes, wait 30 minutes, check again). This means reading a humidistat and driving 240V relay. I was thinking about doing it with ICs (I haven't...
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