Make: Technology on Your Time Volume 41

Solder a “Draailampje”

Flip lights! Turn them upside down, and they’re off. Turn them back up, and they’re on.

Written and photographed by David Bakker

Time Required: 15–30 Minutes Cost: $2–$29

DAVID BAKKERis a maker. He organizes the Groningen Mini Maker Faire (Netherlands) and trains people to speed-read and time manage.

Materials

» Jar, small

» LED, 10mm, bright

» Tilt/angle switch

» Battery, CR2032

» Battery holder, CR2032

» Glue or foam tape

THIS CUTE LITTLE SELF-CONTAINED LAMP WORKS LIKE A CHARM — set it right side up to turn the light ...