WiFi + Bluetooth

Changing to Serial1 returns empty strings;

>var serial = Serial1;
=Serial1
>var pins = { rx: D0, tx : D1 };
={ rx: D0, tx: D1 }
>function test(baud) {
:  serial.removeAllListeners();
:  var l="";
:  serial.on('data', function(d) {l+=d;});
:  serial.setup(baud, pins);
:  serial.write("AT+GMR\r\n");
:  setTimeout(function(){console.log(JSON.stringify(l));},800);
:}
=function (baud) { ... }
>//digitalWrite(B9,1); // enable on Pico Shim V2
=undefined
>setTimeout(function() { test(9600); }, 2000);
=1
>setTimeout(function() { test(115200); }, 3000);
=2
>setTimeout(function() { test(57600); }, 4000);
=3
>setTimeout(function() { console.log("Done!"); }, 5000);
=4
""
""
""
Done!
>