Hi all, I connected the CCS811 sensor to an arduino nano like this: [image] and used this sketch: //Arduino nano con scheda ethernet ENJ28J60 //SI connette al server mqtt //usata libreria ethernet <EthernetENC.h> perchè è più leggera ho disattivato UDP: #define UIP_CONF_UDP 0 (libraries\Etherne…

CCS811 wemos: Failed to start sensor

enry86cami November 9, 2021, 4:44pm 5

You are right...
This Is my wiring:

And doesn't work