I now have a second hand. It ticks off actual seconds.
It’s pretty dim because I only have 2 LED’s hooked up, and the innards of the CD drive are all black, so they don’t reflect much light. I have a couple things I’m going to try to fix that. In the meantime I have to get the hours and minutes displaying and add a way to set it. I’ll post more pics shortly.
[...] Hard Drive Clock for his build. You can see the details in these three posts. CD-ROM Clock Part 1, CD-ROM Clock Part 2, CD-ROM Clock Part [...]