/challenges-projects/design-challenges/designforacause/b/blog/posts/fingerprint-skeleton-key---feedback-for-the-user---design-for-a-cause-challenge---blog-post-5IntroductionHi! This will be my fifth update for this challenge, this will be a short update where we will take a look at some of the things that will provide feedback to the user of the skeleton key device. There are three different types of signalsen-USTelligent Community 12https://community.element14.com/challenges-projects/design-challenges/designforacause/b/blog/posts/fingerprint-skeleton-key---feedback-for-the-user---design-for-a-cause-challenge---blog-post-5Mon, 20 Aug 2018 00:19:26 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:877eec9d-ecd8-4867-85cb-cc8c9ad0869fgenebren1<p>Nice update to your design challenge project. Designing a clear and easily understood user interface is not a easy task.&nbsp; Some of your clues (read and green flashes, green good/red bad) seem redundant and might lead to a little confusion.&nbsp; It might make more sense to use the yellow (on or off) to help differentiate between the two red/green flash sequences (or even short white flashes).</p><p>&nbsp;</p><p>Good luck on your continued progress on you project.</p><p>&nbsp;</p><p>Gene</p><img src="https://community.element14.com/aggbug?PostID=5371&AppID=206&AppType=Weblog&ContentType=0" width="1" height="1">