“It’s core technology,” he told me. “And no one had really made it work in a pogo stick.” Spencer’s first prototypes worked, but the plunger recoiled with such vehemence that he felt ...

Pogo pins – spring-loaded pin contacts are pretty fun to play with and even cooler when they get used in electronic devices like Adafruit and SparkFun’s test jigs. Check after the break for ...