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  1. J

    Three lead Solar Cell?

    They vary from 10's of Kohms in sunlight to 10's of megohms in darkness
  2. J

    Running a UK 230V system at 220V in the US

    I don't think that a 240V circuit with one end as the grounded conductor is possible (certainly very unlikely) in the US. You might get 208V from the "stinger leg" of a 240/120V-3ph delta to neutral, but 208V <(230V - 5%). A transformer is likely in your future.
  3. J

    Three lead Solar Cell?

    One of the wires goes to a photo-electric cell ("solar cell") that generates voltage. Another goes to a photo-conductive cell that detects the presence/absence of sunlight. Photo-conductive cells are made of cadmium selenide/sulphide. The remaining wire is a common.
  4. J

    programming language

    No point missed. Not to sound flack-y, but Power Basic is way more than a so-so IDE. You and Harald are right about USB, though
  5. J

    programming language

    A vote for Power Basic
  6. J

    2-10v or 4-20 dimming of 120v light bulb

    Here's a pretty-good description of what's available. Are you doing your own current modulation scheme, or simply asking for a power-percentage?
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