October 2013
Beginner
160 pages
6h 58m
English
LITE-BRITE LED Clock
Written by Lonnie Honeycutt
TIME: 6 HOURS
COST: $40–$50
Swap passive pegs for programmable light-emitting diodes and build a one-of-a-kind, Arduino-powered desk clock.

Gregory Hayes
I had just finished mentoring a high school student through the build of a 4×4×4 LED cube. I was sitting at my desk, ...