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This is atmospheric pressure, temperature and humidity sensor running then cr2477(or2459 - 600mA) batteries (950mA).
The board dimensions is 36mm х 25mm.
Led highlighting the status of the connection to the network, sending the readings from the sensor. Parameter adjustment via the controller: the LED is on / off, the interval of sending the temperature, humidity, atmospheric pressure, weather forecast readings is 1min - 4 hours, the interval of sending the battery charge is 1 hour - 7 days.
https://www.ebay.co.uk/itm/202539603813
https://www.ebay.co.uk/itm/202539602525
List of components that are present at the sensor:
nRF52832 (YJ-16048) 1 pcs.
Battery holder 1 pcs.
Buttons clocks cm 2 pieces
Connector 2x3 P6 1.27mm 1 pcs
Condenser 100nf 2 pieces
RGB SMD 0603 (1204)
BME280 Sensor
Resistors 10K 1% 0805 2 pieces
Resistors 1M 1% 0805 1 piece
Resistors 470K 1% 0805 1 pcs
Resistors 4.7K 1% 0805 4 piece
Resistors 27K 1% 0805 1 piece
Resistors 20K 1% 0805 1 piece
Resistors 5.6K 1% 0805 1 piece