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  1. R

    Cell monitor ... the building block we need

    We need a simple clean, microprocessor-based cell monitor. Capable of accurately monitoring 10 or more cells with no load. Completely isolatable. Perhaps daisy-chainable. With that alone we can build the whole world. With an Arduino, or whatever, you can choose from many different cool...
  2. R

    Single cell chargers

    When I built my first battery pack from A123 cells I bought a dozen single-cell chargers just to get going. https://p10.secure.hostingprod.com/@www.voltphreaks.com/ssl/catalog/product_info.php?cPath=3&products_id=60 Those units are inexpensive, isolated (so you can use a bunch of them...
  3. R

    Bad design -- no kill switch

    I'm new here. Only not really. I built a very nice ebike with the help of smart folks here a few years ago. Rode it to work daily for almost a year. It failed and dumped continuous full-power to the rear wheel on a start from a traffic light. Rush hour. Front wheel came off the ground, no...
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