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Homemade Hardness Tester


Hardness Tester
 
186 More Best Homemade Tools eBook
TOOL:
Hardness Tester
BUILDER:
tonyfoale on homemadetools.net
DESCRIPTION:
Homemade hardness tester constructed from tubing, bar stock, infrared LEDs and transistors, resistors, switches, an LM393 comparator, and an Arduino. The device uses principles derived from Shore and Leeb hardness testers.
RATING:
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CATEGORIES:
Measuring and Marking
TAGS:
tester, measurement
LEVEL OF DETAIL (1-5):
5
URL:
https://www.homemadetools.net/forum/everyone-needs-hardness-tester-83780#post175021
FILES:


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