00 USB cable test v1.1.10 Release
2026-10-15
USB serial test
Can this phone talk to the display over the cable? Everything below happens on this device.
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Web Serial is the simple route and is what desktop uses. WebUSB talks to the cable chip directly and is the fallback where Web Serial is missing. Connecting restarts the display, so expect its boot messages first and give it about fifteen seconds before the answers make sense. If the interface will not claim, unplug the cable, plug it back in and try again — the phone sometimes holds on to the chip for a moment.
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CYGM is an open-source, experimental secondary CGM display. It is not FDA-cleared or FDA-approved, and it has not been clinically validated. It shows readings that have already travelled through your own CGM's app and cloud service, so it can lag, gap or fail independently of them.
Never use it as the sole basis for a treatment decision, and never rely on it as your only alarm. Always confirm on your prescribed CGM receiver or app before dosing or treating.