Hi
1.
Could you check the following connection of RX pin?
Is it correct?
2.
Is it possible to use other than 600ohm?
If yes, what is the impact of changing resistor value?
BestRegards
This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.