Open Source Ultrasonic Whistle

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Revision as of 14:21, 17 November 2015 by Tmjohnst (talk | Contributions) (Created page with " {{777}} == Open Source Ultrasonic Whistle == Project developed by Troy Johnston ~~~~ {{Statusboxtop}} {{status-design}} {{status-prototype}} You can help Appropedia by con...")
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Open Source Ultrasonic Whistle

Project developed by Troy Johnston Tmjohnst (talk) 06:21, 17 November 2015 (PST)

You can help Appropedia by contributing to the next step in this OSAT's status. Template:Boxbottom


  1. Wolves are a problem with reindeer husbandry. This 3D-printed ultrasonic whistle is a cheap method to be used as a wolf preventative. As problems grow worse, this solution loses it's use; however, as an initial preventative the whistle can provide some warding effects.
  2. Picture of completed print using
    Wood WorkingClamp Parts.png

Bill of Materials

  1. Full BOM -- Materials needed for fabrication
    1. Upload and link to all source files from open source CAD
    2. Upload and link to all STLs

Tools needed for fabrication of the OSAT

  1. MOST Delta RepRap or similar RepRap 3-D printer

Technical Specifications and Assembly Instructions

  1. None needed. Simply print the part.
  2. Print time:
  3. Print in progress (image needed)

Common Problems and Solutions

  • Include common mistakes/problems to avoid in building your OSAT and how to overcome them

Cost savings

  1. Cheapest alternative is a $3.89 whistle.
  2. Total cost:
  3. $ savings and % savings

==References== * The sources of information (e.g. engineering handbooks, journal articles, government documents, webpages, books, magazine articles etc.). References should use the <nowiki> <ref> </ref> and <references/> tags and can be in any format but should include all the information necessary for someone else to find the same information you did. For example: [1]

  1. web page: Department of Energy (DOE) Landscaping and Energy Efficiency, DOE/GO-10095 (1995) Available:

Based on the developmental needs addressed (e.g. food, heat, electricity, clean water, health care, etc.) be sure to label your device in the proper categories e.g. use. Be sure to categorize your device so that it will be easy to find – for example “Low voltage connection basics” is categorized in.