To communicate the arduino with boltiot

the hardware connection is not visible when I’m trying to use the serial communication (uart)

Hey @bubeebuzz
Checkout this site for interfacing your arduino with your Bolt device :

But here, what i’m trying to do is to select the A0 pin in the hardware configuration of the bolt module part (in the and the diagram is not visible , infact i don’t know what CSV value should be select