Emily Velasco's Blinky Lights Build Needs No Printed Circuit Board: It's Pottery-Tronics
Self-described "arts-and-crafts supervillain" Emily Velasco has eschewed the traditional printed circuit board in favor of a "thrown" circuit board — building a ceramic astable multivibrator from clay and glaze.
"I've been doing ceramics for a couple years now," Velasco explains, "and recently people kept tagging me in posts about a European feminist hacker collective that was making circuit boards out of [clay] they dug out of the ground and fired in a campfire. After having an epiphany about some experimental copper ceramics glazes I made last year, I thought I would see if i could solder to them, and I found that I could."
Traditionally, circuit boards use fiberglass as a substrate — though there are flexible boards that use plastic polymers, while some manufacturers have even built commercial product outs of circuits printed on a glass substrate. Ceramics have traditionally been used to package silicon integrated circuit dice, but...
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