MAKE presents: The LED
Why the open web links it
Explains the history, function, and practical use of LEDs with hands-on examples and clear demonstrations.
Linked by 5 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including adafruit.com, explainthatstuff.com, bartlettpublishing.com, brokencitylab.org, robotics-bg.com.