Materials required:

+
= 
.. for measuring air temperature, humidity and air pressure
.. for measuring the air quality (AQI), equivalent CO2 value, ...
. for sending measurement data via radio
.. for the power supply of the weather station
.. to save energy
... to protect the electronics and for hanging up
+ 
... for mounting the components in the housing (plate: 160mm x 56mm x 3 ~ 5mm)

Materials required:

+ 
= 

. .. for measuring air temperature, humidity and air pressure

. .. for measuring the air quality (AQI), equivalent CO2 value, ...

.. . for sending measurement data via radio

. .. for the power supply of the weather station
. .. to save energy
... to protect the electronics and for hanging up
+
... for mounting the components in the housing (plate: 160mm x 56mm x 3 ~ 5mm)
or