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

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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 that genuinely does both has rarely been straightforward.

Ploopy’s Adept trackball made a compelling case for the latter category, earning a loyal following with its open-source, 3D-printed design and QMK compatibility. But it always felt like it had more to say. Its circuit board had always reserved space for two more switches that never made it to production, and the base had slots for a wrist rest that never materialized. The A+ is that unfinished story, now finished.

Designer: Ploopy

The most visible addition is the button count. The Adept had six; the A+ has eight, two of which also function as knobs. Out of the box, the knobs handle high-resolution vertical and horizontal scrolling, but both are fully reprogrammable for other functions. That dual-purpose approach keeps navigation and control within a single hand without needing a separate scroll wheel or accessory sitting alongside it.

The gesture system is arguably the more interesting addition. Hold a button and flick the ball in any of eight directions, and the device fires a command. By default, the left knob activates cut, copy, paste, desktop switching, and media controls. For someone who lives inside a browser and a text editor all day, that’s a significant amount of functionality without ever lifting a hand off the device.

Layers add another dimension. The A+ has two: a navigation layer for everyday use and a control layer accessed via the right knob. The control layer handles on-device configuration, covering left-hand mode switching, toggling between high-resolution and stepped scrolling, and other adjustments. It’s the first trackball to bring this kind of layered behavior, working entirely without any software running on the host computer. There are also two bright LEDs that can be used to visually tell you what layer you’re on without having to rely on some embedded screen.

The detachable wrist rest is another long-promised feature that finally arrives with the A+. It slots in or out during use and can be screwed on permanently if preferred. The device stays ambidextrous throughout, and its 3D-printed shell means the community can print modified bodies, alter the layout, or swap in custom colors. That kind of adaptability isn’t an afterthought; it’s part of how the whole thing is designed.

The Pixart PMW-3360 sensor carries over from the Adept, running at a 1,000Hz polling rate with the tracking accuracy that has made it a standard for performance-oriented pointing devices. Omron D2LS-21 switches handle the physical buttons. The firmware remains QMK, configurable through VIA, with all design files, firmware, and assembly instructions freely available on GitHub. Kits start at $99 CAD.

The post This $99 Trackball Has Gesture Controls That Work Without Any Software first appeared on Yanko Design.

This Desk Lamp Puts a Spotlight in a Ring Light With One Knob

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Desk lighting has long been a compromise between task and atmosphere. Professional lamps tend to lean one way or the other: too directional and harsh for extended use, or too diffuse to support fine detail work. A lamp that’s good for examining physical samples often isn’t comfortable over long stretches, and one that’s gentle on the eyes doesn’t always deliver when you need a hard, directed beam.

The Focus Light is a desktop lamp concept built around a different premise. Rather than committing to one kind of output, it combines two independent light sources into a single lamp head, giving the user the ability to shift between a precise, concentrated beam and a broad ambient glow, or run both at once. All of it’s controlled by a single rotary knob, and there aren’t any menus, apps, or extra switches involved.

Designers: Zhen Yang, Siting Lin

The lamp head is organized concentrically: an outer ring delivers ambient light while a central optical lens handles the focused beam. That layout has both functional and visual logic to it. Both sources sit in deliberate, concentric relation to each other, and the overall form looks as precise as it performs. The whole thing is finished in space gray metal, which lends it a professional, precision-tool character.

Control comes from a rotary knob on top, marked with a red indicator line. Rotating it 15 degrees activates focusing mode, sending a tight, concentrated beam straight down. At 30 degrees, the lamp shifts into diffusing mode, spreading the output into something closer to fill light. Push it to 60 degrees, and both sources run simultaneously, combining the central spot with the ambient ring for a layered workspace light.

For detailed hands-on tasks, being able to shift between modes without touching an app or dimmer panel makes a real difference. An illustrator tracing fine lines benefits from the precision of the focused beam, but that same beam creates harsh contrast against a dark surrounding surface. Bringing in the ambient ring softens that contrast, and having both running at once makes moving between close-up precision work and wider desk visibility much more seamless.

The same flexibility serves anyone who switches between different types of work at the same desk. Reading calls for something even and non-glare; marking up documents or working with small physical components benefits from a harder, more directed light. The Focus Light doesn’t ask the user to swap lamps or reposition the arm for each shift. The knob handles it, and the change is immediate.

The physical form reflects the precision the lamp is meant to support. The lamp head is a clean disc with radiating heat fins arranged around the inner lens assembly, and the arm connects at a ball joint that allows repositioning without loosening a series of screws. A threaded desk clamp handles the mounting, so it doesn’t demand a grommet hole or take up surface area with a weighted base.

What stands out about the concept isn’t just the dual-source setup, but that a single physical control manages both. There’s no menu to scroll, no app to open. The red indicator on the knob tells you exactly where you are, and the three positions are distinct enough that you’d find your way back to any of them by feel after just a few days.

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