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  • heuretic followed taifur5 months ago
      • Raspberry Pi Presentation Machine With Remote Control
      • Wireless Powered Multi Color LED Lamp
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  • heuretic followed dr.jekyll2k5 months ago
      • Laser Cut Machinist Toolbox
  • heuretic commented on 3DSage's instructable 3D Printed Radio That Works!! Easy to Make6 months ago
    3D Printed Radio That Works!! Easy to Make

    Ahh! A 5th grade class project. Boys and girls each made their own sets. 3/4" pine base board, 1" wood dowel for the coil. Sheet metal strips for the wiper and connectors cut with tin snips from a coffee can. 10-32 screws and wing nuts. 1N34 diode in a tiny glass globe. A Philmore headphone set. The 50K watt A.M. radio station 10 miles away would blow the diode if the antenna wire was too long

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  • Green Solar Powered Water Barrel Version 2

    You'e quite right. Recycled polyethylene (or other recycled plastics)can consist of a high percentage of degraded short-chain molecules which are more inherently unstable than virgin polyethylene. The addition of recycled poly to virgin stock can also increase the amount of fugitive catalyst in the plastic, which promotes degradation. Good quality virgin resin from a reputable manufacturer makes for superior products, as can be said about any manufacturing operation.

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  • Green Solar Powered Water Barrel Version 2

    The translucent poly tanks used here may degrade rather quickly (less than 5 years - due to your latitude, your mileage may vary) by crazing from sunlight and cosmic rays. Enclosing them in wooden boxes or putting them in a small storage shed will lengthen their useful time considerably.

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