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  1. techlist

    Pullout rating of #10 screws

    Hi guys: I need to find some data on typical pullout strength values for #10 screws into wood (SYP). I'm makign a device that has to be hung from a ceilign and need to document/confirm the screw selection. Thanks, Scott
  2. techlist

    Fuse/Diode sizing for rev. polarity protection

    I have a small circuit, powered by a 24VDC 1.5 amp regulated AC/DC "wall wart". I need to protect my circuit against a user wiring it backwards. A blowable fuse is fine. I planned to put a fuse and a diode across teh input terminal, but I'm not sure what size of each to place. Seemed...
  3. techlist

    Powering PIC 16F628A from 24v

    Hi guys: I need to power a PIC 16F628A from a 24v source. The 24v source normally controls a integrated step motor driver/controller and I'm using the PIC to turn that module on and off. Is a regular ol' 7805 type TO-220 the only option? Is there a better, or I should say, smaller way...

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