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    Li-on laptop battery charging

    Hi all, a question if i may, I have a 14.8v 2000mAh laptop battery donated to me. I'm told there was plenty of life in it. I may use it on future projects, stripped or complete. I have a Macot Li-on charger that i use for 15v Enix batteries Output is 16.8v 2A Can i charge the laptop battery...
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    MC-E & battery pack Q

    Thanks for the input herulach... I kinda reluctantly thought the voltage was a bit too close to the vf...may have to rethink this one. I wondered if the times when it did fire up, the battery was just charged and at its peak voltage...soon to drop off enough not to light the MC-E. I've read...
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    MC-E & battery pack Q

    Hi all. I'm building a single MC-E cycle light, modifying a Cateye singleshot (IIRC) housing. A few details, MC-E LED vf 3.4v per die @ 700ma Enix Li-Ion 15v 2.2ah battery Recom RCD24-070 LED driver, 700ma (this is really a PCB based driver, but i've used them successfully on other projects)...
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    momentory switch wiring diagram

    Some (probably most) momentary switches are very simple inside... A spring operated plunger with a metal bar through it at right angles to touch the contacts. They do go....sometimes you can rebuild them and get them working...depends on the switch construction of course. Have a go simon...you...
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    A few basic questions

    Thanks nein...doh, i didnt see the minimum input voltage on the spec sheet, so that clears that up. Dimming ?..i have the spec sheets for the Recom driver...but actually putting dimming into practice is where i'm struggling. Theory / schematics is one thing, doing it is another. I tried an RS...
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    A few basic questions

    if i may... Brilliant forum (excuse the pun) BTW guys, very informative...but i still find myself lacking with a couple of basic points. Making my first LED cycle lamp (for fun and to learn a bit for the future) with bits that may be odd, let me know what you think.. 3w Luxeon star, mounted...
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