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  1. R

    Solar charging lithium ion cells

    Hi, I need some lighting for my workbench and want to make something myself. I have some spare lithium ion 18650 cells and want to use them to power some chip LEDs, but use a solar panel to charge the batteries. I've done a lot of research myself and asked questions, but haven't been able to...
  2. R

    The engineers of ES...

    I am 33 and haven't been to university, but I'm seriously considering applying to do a Bachelor of Engineering. (Probably QUT for anyone playing along in Brisbane.) My preference would be for mechatronics, but I would have a much better chance of easily converting an engineering degree to a...
  3. R

    Rutiger Giant build - Brisbane

    I have been researching these electrical bicycle magizmos on and off for over a year now, so it's time to get serious. :D I have a donor bike and a reasonable idea of what I want and need, but I have some questions that I thought y'all might be able to help me with. The bike is a Giant Yukon...
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