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28 <p>Some sensor types are defined as being low power. Low-power sensors must
30 they should not require the SoC to be running. Here are some low-power sensor
40 width="20" height="20" alt="Low power sensor" />) icon in the <a
41 href="sensor-types.html#composite_sensor_type_summary">Composite sensor type
43 <p>These sensor types cannot be implemented at high power as their primary benefit
45 periods, possibly 24/7. It is better to not implement a low-power sensor at all
48 <p>Composite low-power sensor types, such as the step detector, must have their
57 of the SoC being asleep, so that periodic spikes in power from the sensor chips
59 <p>For one-shot wake-up sensors, the power is measured while the sensor doesn?t
61 power is measured while the sensor data is stored in the hardware FIFO, so the
63 <p>The power normally is measured as a delta with when no sensor is activated.
65 the sum of the power of each activated sensor. If an accelerometer consumes
