Top posts

Every blog post that took off on Hacker News, ranked by the votes of its best submission. 92 posts.

Hardware & Electronics
2012
84

The Laser Doodler

So I’ve got a project coming up (that may have something to do with this tweet ) that will require a few LED matrix displays. I found a suitable candidate online and ordered one to play around with. Since I already had the display, I thought it’d be fun to run it through the paces and build a little circuit out of it…