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  • Users: Umar
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  1. Umar

    I¦ve tried to search a formula how

    please visit this page : http://users.rcn.com/laushaus/tesla/rolledcap.htm umar ::-)
  2. Umar

    IRED Distance Meter

    I made an IRED distance detector circuit based on MX-171 AF IC from Macronix. I have covered the Photodiode and the IRED LED with a filter. The filter is a focusing lens with IRED-pass-filter material. It works perfectly in indoor. But it really unstable when I tried to use it outdoor. I live...
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