‹ Round & Rest

Your session on a BUSY Bar

What is a BUSY Bar? A wall-mounted display with two screens, built to be read from across the room. Round & Rest mirrors the current session on it — phase, block, round and clock — without losing sight of what the device can do, and what it cannot.

What the bar shows

The current phase, the block number, the round and the clock: the essentials of a session, condensed onto a screen built for a glance rather than a read. The phase label stays in a small font on the front — at a larger size it crowded the block number, the piece of information that matters most in the middle of a run of blocks.

On the front screen, the background colour reuses the same palette as the phone: a saturated block per phase, readable without leaning in, whether the room is dim or sitting in full sun by a window. The rear screen is greyscale and cannot carry the phase colour: it ranks by size and weight instead.

One request per phase, not per second

The bar keeps its own countdown: it is sent a timestamp, and it counts down on its own until the next phase. That is what makes the integration viable over an ordinary gym network — and it is a design choice, not a limitation suffered. A request every second was tried: the device's native countdown is capped at five pixels tall, and redrawing it as text every second was the only way to get a bigger clock. The gain was real — it cost one request per second, and that price was judged too high.

Why a relay

The BUSY API emits no CORS header and rejects every preflight request: a browser cannot talk to it directly without being blocked. Calls go through a relay, https://mcp.roundandrest.com/bar, never straight from the phone itself.

What the bar does not do

Can the bar pause the session? No, and that is not a design choice: the device simply exposes no key-press event to listen to, only a way to inject one. The channel is one-way — you get the BUSY Bar's screen or its buttons, never both at once. Pausing, moving to the next phase, all of it happens from the phone; the bar only displays.

Do you need a BUSY Bar to use Round & Rest? No. It is an extra display, not a dependency: without it, the session runs exactly as it does on a phone lying on the floor, full-frame screen and cues included.

What is still open

Control from the bar itself — pausing or moving to the next phase without touching the phone — stays closed as long as the device exposes no key-press event. The upcoming features page details what is planned, and what is deliberately left out.

OPEN THE TIMER — 30 / 30 × 10

Without a bar the timer works the same. With one, the session goes on the wall.

REQUEST AN INTEGRATION

An address, not a form. Say which device or which service.

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