Can I use those pins as outputs

Official Hardware Nano Family Nano 33 IoT
1

Can I use AREF, TX, RX as digital output pins ?

2

yas! only TX = 0 , RX =1
AREF not digital pin

3

Should it be RX =1, TX = 0 ?
Because 3 is already mapped to PB11

4

nano 33

5

Yes, but how are they mapped in the Arduino IDE ?

6

you are right!

7

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