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Kmoer

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  • Convenient cable for old laptop HD

    posted byKmoer on 01/15/2017

    Got a new SSD for my old laptop, and wanted to keep my old HD for transfer and backup purposes. This cable allows me to plug it in as USB disk (only tested with USB2 till now); could get to my old data easily. Looks as good quality, esp. for this... Read more

    Impression: good!;

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  • Works as intrended in mobile phone

    posted byKmoer on 12/30/2016

    Good card, used as storage in mobile phone, no problems.

    Impression: Good value;

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  • Good for very flat ceiling light

    posted byKmoer on 12/27/2015

    Wanted an ultra-flat light for my utility room, as the headroom is low. Used two of these rings connected in parallel to a single 300 mA power source, so they effectively run at half power, reducing heat. Mounted with heat paste on aluminium also... Read more

    Impression: Bright;

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  • Good regulator for power LEDs

    posted byKmoer on 03/23/2015

    Used this as a constant current source for an 3 Watt IR LED, regulating 5V/600 mA down to 1.6V/1.75A; way more efficient than resistor-based approaches of others. Runs fairly cool, indicating good efficiency. Pros: Good efficiency, compact form, a... Read more

    Impression: Good efficiency,Compact form factor;

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  • Nice IR led to combine with RaspberryPi NoIR camera

    posted byKmoer on 03/21/2015

    Pros: Small, powerful, easily mounted, bright Cons: Needs high current at low voltage (but see below) OtherThoughts: Nice bright LED, at least for an IR camera. With your normal eyes you only see a faint red glow (do not look into the LED I drive... Read more

    Impression: Bright IR LED;

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  • Nice bright LED strip

    posted byKmoer on 01/15/2014

    Nice bright light strip, easy to split (needed to go around corners, you can strip the plastic relative easily and resolder wires on it). Seems to have some kind of thermal protection: at too much currents LED sections switch temporarily off see I... Read more

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