The Signal
Platform
Platform articles from The Signal by Sensor Bio.
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Wearable API for health products
Wearable API guide for health products: raw PPG, SDK options, and how device APIs differ from fitness data aggregators. For builders and research teams.
Wearables built around your protocol
Wearables configured around your protocol: raw PPG, device profiles, SDK and API in your app, remote monitoring, and Signal Studio rules. For research and product teams.
Digital biomarkers for program design
Digital biomarkers need a protocol for signal, wear-time, and export, not only a definition. Program design notes for study teams.
How to configure a research wearable
Set sample rate, data cadence, active sensors, and raw export once in a device profile, then apply it across every wearer device before enrollment.
Wearables for clinical trials
Buyer guide to wearable data access for clinical trials: raw signal, exports, APIs, wear-time, and evidence questions without black-box lock-in.
How to choose a wearable for research
A research wearable checklist: raw waveform access, export formats, wear-time realities, and battery under study settings. Built for study ops.
Raw PPG access for partners
V2 raw PPG for partners: green, red, and infrared waveforms at 25/50/100 Hz through the mobile SDK raw stream and a per-organization web download.