This $99 Trackball Has Gesture Controls That Work Without Any Software

The computer peripheral market has always been more experimental at its edges than in the mainstream. Ergonomic trackballs, in particular, have attracted a devoted following among power users, but the options tend to cluster at two extremes: consumer-facing products with locked-down firmware, and niche open-source hardware that trades polished finish for deep customizability. Finding something…

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This 60Hz E Ink Game Boy emulator refreshes retro gaming with an ESP32-powered handheld

This 60Hz E Ink Game Boy emulator refreshes retro gaming with an ESP32-powered handheld

Retro gaming has inspired countless handheld recreations over the years, but most focus on replicating the original hardware with faster processors or modern conveniences. Wenting Zhang’s latest experiment takes a completely different route by pairing a classic Game Boy emulator with an E Ink display, an unlikely combination that overcomes one of the technology’s biggest…

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