these are my error messages:
Arduino: 1.8.19 (Windows Store 1.8.57.0) (Windows 10), Board: "Arduino Uno WiFi"
In function 'void setup()':
m2-lesson4:195:4: error: 'Serial1' was not declared in this scope
Serial1.begin(9600);
^~~~~~~
(1)\m2-lesson4\m2-lesson4.ino:195:4: note: suggested alternative: 'Serial'
Serial1.begin(9600);
^~~~~~~
Serial
In function 'void do_Uart_Tick()':
m2-lesson4:210:6: error: 'Serial1' was not declared in this scope
if(Serial1.available())
^~~~~~~
210:6: note: suggested alternative: 'Serial'
if(Serial1.available())
^~~~~~~
Serial
exit status 1
'Serial1' was not declared in this scope
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