IAQ Wired Sensor. Part of smart_household
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MODBUS Registers

Input Registers

Value Register
CO2 30010
SHT4x 30011
RH SHT4x 30012
T SCD4x 30013
RH SCD4x 30014
T SHT4x SIGNED 30015
T SCD4x SIGNED 30016

Holding Registers

Value Register
LED ON 40001
CO2 ALERT LIMIT1 40002
CO2 ALERT LIMIT2 40003
MODBUS ADDR 40004

Device Information Registers

Value Register
VENDOR NAME 30010
PRODUCT CODE 30011
REVISION 30012
PRODUCT NAME 30013
SERIAL NUMBER 30014