The Junk-Pile Strobe Tachometer.....and it really works!/challenges-projects/project14/rubegoldbergdevice/b/blog/posts/the-junk-pile-strobe-tachometer-and-it-really-worksThis project idea was inspired by a need to measure the speed of random - no nameplate DC motors salvaged from printers, cars, toys, and experimenter&rsquo;s kits. In the spirit of Rube Goldberg, I&rsquo;d use as much workshop junk as possible...en-USTelligent Community 12RE: The Junk-Pile Strobe Tachometer.....and it really works!https://community.element14.com/challenges-projects/project14/rubegoldbergdevice/b/blog/posts/the-junk-pile-strobe-tachometer-and-it-really-worksThu, 18 Aug 2022 17:37:52 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:db1561f0-4229-44ef-8341-698018d64e1dntewinkel0<p>Very cool!</p> <p>Bonus points for not harming any amoebas! [emoticon:0f36700dfeb3494fa10d47dd9e1f90a1]</p><img src="https://community.element14.com/aggbug?PostID=23978&AppID=380&AppType=Weblog&ContentType=0" width="1" height="1">RE: The Junk-Pile Strobe Tachometer.....and it really works!https://community.element14.com/challenges-projects/project14/rubegoldbergdevice/b/blog/posts/the-junk-pile-strobe-tachometer-and-it-really-worksSun, 17 Jul 2022 18:30:19 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:db1561f0-4229-44ef-8341-698018d64e1dDAB1<p>I have some of those switches somewhere in my stash, I need to find them and set them up for a project.</p><img src="https://community.element14.com/aggbug?PostID=23978&AppID=380&AppType=Weblog&ContentType=0" width="1" height="1">