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  1. Zenid

    Have you had a stroke?

    Hi, just a notice to any stroke survivors or their relatives, here. I'm involved in a study of a mood assessment instrument and need to recruit some stroke survivors for a short (10-15 min) task. I'd appreciate it if you could pass the link on if you know anybody who's recovered or recovering...
  2. Zenid

    LiFePO4 Cell Voltages Monitor for instrument display

    Hi, I have been trying for a while to assemble the pieces that I could conceivably use for a instrument display with LEDs indicating the battery state of each of my 24s pack cells. I thought I could assemble a few units like this LiPo low voltage alarm (below) and build a display out of those...
  3. Zenid

    E-activism - getting more charge points installed

    I've just posted an article about my success in getting a local supermarket development to provide free electric charge points in my town here in the UK. If you go through the right channels, this shouldn't be too hard to accomplish in countries where the public are allowed to be involved in...
  4. Zenid

    ** STUDY CLOSED **

    Hi folks, This phase of the study is now closed. Thanks to everyone who took part.
  5. Zenid

    Ego Street Scoota LiFePO4 Lithium Upgrade

    Well after running myself to exhaustion getting my Goodrum Fechter BMS up and working, I'm finally officially upgraded :D I'm way behind on my blogging, but I'll be catching up over coming days/weeks as I have more time. The pack is a 24s2p, nominal 76.8V, built out of 48 Headway LiFePO4...
  6. Zenid

    LYEN Edition IRFB4110 12-FET Controller

    I've spent the last couple of weeks getting myself up and running with one of Lyen's famed controllers. I've detailed my experiences in my blog/upgrade guide for the benefit of anyone else who might be considering getting this or any other quality controller. Part One...
  7. Zenid

    Blog/Review: LYEN Edition 4110 12-FET controller

    My blog/review of the LYEN 12-FET controller detailing my experiences with it is now available for the perusal of anyone who is interested: Part One: http://zenid10.wordpress.com/2011/04/04/ohmless-and-angry Part Two: http://zenid10.wordpress.com/2011/04/10/50-at-50-amps
  8. Zenid

    LifePo4 for a 72V system

    I've been looking through the noob threads, but I'm still quite confused about the architecture of LIPO packs. I and somebody else plan to upgrade our systems to a LIPO [Edit: LifePo4, I mean] bank consisting of 50 Headway 12AH 38140S cells in a 2-parallel, 25s2p configuration. This will...
  9. Zenid

    e-crazyman 72V EB220 controller fault

    I have a faulty controller that I'm trying to fix. Here's a pic of the board, front and back. http://zenid10.wordpress.com/?attachment_id=1468 http://zenid10.wordpress.com/?attachment_id=1478 The first test I did on it was to test the resistance between the phase wires and the main power...
  10. Zenid

    Spotting genuine FB4110 MOSFETs

    I recently read a thread about distinguishing 'real' MOSFET 4110s from cheap imitations or fakes. However I'm not entirely confident that based on the information there I could still confidently identify fakes. Price is not necessarily a clue, and neither is appearance, necessarily. And my own...
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