[loriz71]

Is a 433 Mhz wireless sensor but have sale hardware problem (i have 3 off them but always don't trasmit nothing

I don't know, but maybe them are transmiting with a protocol that your receiver can't decode.

I think it's a question of construction . Many of the owners of my own weather station no longer running the pyranometer . Not even the original receiver receives nothing (which is the work of Cillo allowed to also receive this sensor ).

Today I tried to measure the voltage produced by my photodiode with a 235 ohm R in parallel. I recorded a maximum of 330 mV (weather stations near me have recorded about 660 w / m 2). I believe that by calibrating a little the resistance we can get a 1.1 volt (considering that from me 1300 w / m2 have a limit more than ample))