/challenges-projects/design-challenges/designforacause/b/blog/posts/week-7-and-a-half-video-mini-update---audio-amp-power-supply-for-arduinowww.youtube.com/watch More to come in a couple of days as we enter the final countdown before the new school semester starts. All the components are ready now and just need to be assembled.en-USTelligent Community 12