/challenges-projects/design-challenges/upcycleit/b/blog/posts/upcycle-it-interactive-race-car-driver---bumper-switches-and-wiring-loomSo that I could tell if the car had bumped into anything I wanted to put some microswitches into the bumpers. I had recently stripped down a paper shredder and had stripped out a few useful parts including a couple of micro-switches. Luckily these ween-USTelligent Community 12https://community.element14.com/challenges-projects/design-challenges/upcycleit/b/blog/posts/upcycle-it-interactive-race-car-driver---bumper-switches-and-wiring-loomMon, 01 May 2017 18:00:24 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:d71504a9-e827-4638-90fd-d95249b0524dDAB1<p>Hi Andy,</p><p>&nbsp;</p><p>When I tore down my mom&#39;s old Rumba, I found that they used IR LED&#39;s and LED photodetectors to detect objects.</p><p>&nbsp;</p><p>You might find that approach easier to implement and they used a simple comparator to detect objects.</p><p>&nbsp;</p><p>Just a thought,</p><p>DAB</p><img src="https://community.element14.com/aggbug?PostID=2930&AppID=147&AppType=Weblog&ContentType=0" width="1" height="1">https://community.element14.com/challenges-projects/design-challenges/upcycleit/b/blog/posts/upcycle-it-interactive-race-car-driver---bumper-switches-and-wiring-loomMon, 01 May 2017 16:49:04 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:d71504a9-e827-4638-90fd-d95249b0524ddougw1<p>Okay - cool project, but what are you shredding that keeps frying shredders?</p><img src="https://community.element14.com/aggbug?PostID=2930&AppID=147&AppType=Weblog&ContentType=0" width="1" height="1">