PitWall

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Inspiration

You're in the grandstand at an F1 race. The cars scream past at 300 km/h — and you can't hear a thing. No commentary, no context, no idea why the crowd just stood up. I've been to enough races to know the gap between what TV viewers get and what trackside fans get is enormous. PitWall closes that gap: everything the broadcast viewer takes for granted, delivered silently in your field of view, so you never miss a moment and never have to look at your phone.

What it does

PitWall is an F1 grandstand companion for the Ray-Ban Display. It shows a silent live timing tower (positions, gaps, tire compounds, pit events), moment cards for yellows, safety cars, overtakes, and retirements as they happen, a "what just happened?" explainer that turns any moment into a one-tap plain-language summary of strategy calls and incidents, and look-up battle alerts that tell you when a fight is developing near your grandstand — so you're watching the real car, not the screen. Navigation is built for the track: D-pad/arrows, pinch/Enter to select, no scrolling. Every screen answers its question in under two seconds.

How we built it

PitWall is a web app built for the Ray-Ban Display's 600×600 additive display, with a dark-first UI designed for glanceability in bright sunlight. The frontend renders the timing tower, moment cards, and explainer views as single-screen cards — no scrolling, no tiny text. Input is D-pad/arrow navigation with pinch/Enter selection. Session data refreshes on a tight poll loop so positions and gaps stay near-live, and an explainer layer turns raw race events into plain language.

Challenges we ran into

No developer camera access: our early architecture assumed we could read the track visually, and one correction reshaped the whole build. Everything had to work from data alone, so we doubled down on the timing data and the explainer layer. Then the glanceability problem: 600×600 pixels, no scrolling, bright sunlight, cars flying past your face. Every screen had to answer its question in under two seconds, with D-pad-only input and no fine motor control required.

Accomplishments that we're proud of

We turned a real, personal problem — "you can't hear anything in the grandstands and don't know what's going on" — into a working product in a 90-minute build window. The look-up battle alert is what we're proudest of: instead of pulling your eyes down to a screen, PitWall sends your eyes back to the track. Tech that makes you watch the race, not the app. And everything runs from data alone — no camera, no microphone — which keeps it private, silent, and legal in venues with recording restrictions.