/challenges-projects/design-challenges/wireless-power-i/b/blog/posts/a-little-bit-of-progressNeed for speedOK. All contestants received an email last week about having to finish their project by the 30th of November. That&#39;s getting very near! I had sent my board file to OSH park, and everything went nice and fine until I got the expected...en-USTelligent Community 12https://community.element14.com/challenges-projects/design-challenges/wireless-power-i/b/blog/posts/a-little-bit-of-progressSun, 11 Nov 2012 21:19:16 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:0ae4b92c-fe44-47cb-a302-d2ef0e7b8471DAB1<p>From the video, it looks like you have a small sweet spot to hit.</p><p>You might want to set up an IR LED/sensor and use a strip of paper with different shading.&nbsp; Once you hit the paper strip, you cut the speed proportional to the darkness of the strip so that the train is moving very slowly as it moves into the charging area.</p><p>&nbsp;</p><p>Should be easy enough to setup and implement.</p><p>&nbsp;</p><p>Just a thought,</p><p>DAB</p><img src="https://community.element14.com/aggbug?PostID=15203&AppID=114&AppType=Weblog&ContentType=0" width="1" height="1">