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LED Indicator Patterns
This section explains the LED indicator colors and flash patterns on the NeckCare sensor to help users identify the device’s current status.
LED Indicator Patterns
The NeckCare sensor includes an LED indicator light located above the power button. The LED displays different colors and patterns to indicate the current state of the sensor.
Indicator Reference Table
|
State |
LED Color |
LED Pattern |
|---|---|---|
|
Power ON |
Green |
ON for 2 seconds |
|
Bluetooth broadcasting |
Yellow |
Flash once per second |
|
Ready to use (connected) |
Green |
Flash once every 10 seconds |
|
Measuring |
Green |
Quick flash 2 times every 2 seconds |
|
Power OFF |
Green |
ON for 1 second, then fade out |
|
Identify sensor |
Red |
Very quick flash 8 times, 10 seconds |
|
Power saving |
- |
OFF |
|
Charging (≤20%) |
Yellow |
Fade in/out, 2-second cycle |
|
Charging (20-90%) |
Green |
Fade in/out, 2-second cycle |
|
Fully charged (>90%) |
Green |
ON (solid) |
|
Overheated during charging |
Red |
Flash 8 times per second |
|
Bootloader error |
Red |
ON (solid) |