avrdude: stk500_getsync(): not in sync: resp=0x00avrdude: stk500_disable(): protocol error, expect=0x14, resp=0x51
...However, if I try to upload the sketch WITHOUT having that connection to the TX and RX pins on the UNO board, it does not upload....
Is there any way to set those two pins pulled high and keep them like that regardless of whether the pull-ups have been enabled in code?
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