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How do small wearable devices (like Fitbit) exchange data with a server? What sensors/chips do they use?
I'm curious about how small wearable devices like Fitbit exchange data with a server. What sensors and chips do they use for this process?
Great question! Wearable devices like Fitbit typically use Bluetooth technology to exchange data with a paired device such as a smartphone or computer. The sensors used in these devices vary depending on the specific model, but usually include an accelerometer, gyroscope, heart rate monitor, and GPS.