Maker Charlyn Gonda has constructed a friendship bracelet with a distinction: it glows when snapped collectively, courtesy of a custom-made coin cell battery holder that doubles as a intelligent clasp.
“The world’s glowiest friendship bracelet,” Gonda writes by the use of introduction to the mission. “This battery holder did not exist, so I invented it — 3D-printed magnetic battery clasp! Bracelet is wrapped thread round an LED noodle, and a pair of brass beads held collectively by copper wire.”
The physique of the bracelet is industrial “LED noodle” versatile LED filament string, hand-wrapped, which glows alongside its size when given energy. Turning it right into a bracelet, although, requires a means to offer the facility, preserve issues steady, and nonetheless make it so you’ll be able to put it on and take away it once more — which is the place the custom-built clasp-cum-battery-holder is available in.
“[The] high and backside are symmetrical, [and] the conductive metallic is pried from an present battery holder,” Gonda explains. “A half-circle raised geometry retains it from rotating. Designed for a 1632 coin cell, nevertheless it’s parametric!”
Extra particulars on the mission can be found from Gonda’s Twitter thread, although it has but to be uploaded to her web site.
