Wirelless Temp & Humidity Sensor, Model: TH05


Not recommended for purchase!
Custom firmware for working in BTHome format
SoC: PHY6222QC-W04I, Q: 16MHz, Driver LCD: BL55028, Sensor: AHT20/AHT20-F
Manufacturer: ?
Full Flash: Tuya of.version
Bought here: Aliexpress
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San Data ("nRF Connect"):
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Tuya BLE developer, UUIDs:
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When turned on, the thermometer waits for a connection and flashes the Bluetooth icon.
At this point, the average consumption is 0.3 mA.
After 91 seconds, the thermometer switches to the BLE advertising sending mode.
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If no connection has been made, the thermometer switches to operating mode:
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Work Cycles, after registration in "Smart Life":
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When temperature or humidity changes, TH-05 transmits data to BLE advertising encrypted using the Tuya protocol.
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Minimum chipset power consumption (sleep mode):
PHY6222QC-W04I - 13uA @ Sleep Mode with 32KHz RTC and all SRAM retention
BL55028 - 9 uA (sleep mode)
Sensor - 0.23/980 uA (sleep/measure)

Total: above 23 uA (A lot for CR2032. Half a year maximum?):
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Other information about PHY6222.