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4.1.2 Payload (continue)
Status
Sensors status
Bit [0]
Bits [7:1]
Battery
Battery level
Bits [3:0]
Bits [7:4]
Temp
Temperature as measured by on-board NTC
Bits [6:0]
Bit [7]
Time
Time elapsed since the last event-triggered
Bits [15:0]
Count
Total count of event-triggered
Bits [23:0]
Note: This value is not stored persistently on the device, and may reset whenever the device is
power-cycled or rebooted.
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1 – occupied, 0 – free
RFU
unsigned value ν, range 1 – 14;
battery voltage in V = (25 + ν) ÷ 10.
*Note: The initial operation will be in low voltage state,
after 10 minutes, it will turn into a steady-state, which is
referenceable.
RFU
unsigned value τ, range 0 – 127;
temperature in °C = τ - 32.
RFU
measurement range -32 to 95°C
unsigned value in minutes, range 0 – 65,535.
*Note: little-endian format.
unsigned value, range 0 – 16,777,215.
*Note: little-endian format.
5
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