Hello everyone 
I’ve been blocking a problem for a few days and I can not connect my ESP8266 to all pixhawks.
3 pixhawks and 3 ESP works perfectly together but for the other two impossible …
The ESP works perfectly on the other three pixhawks but with exactly the same settings it does not work on the 4th Pixhawk.
(I copied paste the pixhawk settings in working order on the one that does not work and nothing)
Heeeeeeeeeeeelp please !
Etienne