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Recent content by lhenke

  1. lhenke

    Laser cut sheet metal clips / snaps

    Hi All, In the attached image you'll see a clip I've designed on a 1mm thick 3003 H14 aluminum part that is meant to retain another 1mm thick aluminum plane that is slotted to slip over the part with the clip. This seems to be working ok, but I was thinking that there must be better clip...
  2. lhenke

    Measure Rubik's Cube Torque

    Hi All, I'm looking for suggestions on how to measure the force required to rotate the layer of a Rubik's cube. I'd like to get pretty precise feedback on how the force varies as the layer is being turned. I assume I need to buy or build some kind of motorized torque meter, but most of what...
  3. lhenke

    Rectifying Triac Output

    Thanks for the advice everyone, I'll do a bit of a re-think.
  4. lhenke

    Rectifying Triac Output

    Hi All, I've been looking for a circuit design that can rectify the output of a typical household dimmer switch into nice clean 12v DC. The reason I'd like to do this is that I have a light fixture with an incandescent bulb that is perfectly happy to dim with the triac, but I want to run some...
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