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Results tagged with system-design
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user 401
This tag should be used for questions regarding the selection of components, deciding functionality, and other issues that may come up during the early stages of a project.
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votes
How to trigger an alarm when toilet paper is low?
Use a radiation detector to detect the amount of paper left on the roll. Place some amount of radioactive material in the middle of the spool rod, and place the radiation detector somewhere else (you …
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