diff --git a/Variant-USART.md b/Variant-USART.md index 543caab..1621877 100644 --- a/Variant-USART.md +++ b/Variant-USART.md @@ -11,7 +11,7 @@ SIDEBOARD_SERIAL_USART2 or SIDEBOARD_SERIAL_USART3 parameters can be used instea You can adjust USART2_BAUD or USART3_BAUD parameters if you need different baud speed. ## :electric_plug: Wiring: -* Connect blue wire to RX, green wire to TX and black wire to GND of Arduino on right sensor cable(shorter) +* Connect blue wire to RX, green wire to TX and black wire to GND of Arduino on left sensor cable(long one * Only USART3(right sensor cable) is 5v tolerant ⚠️ On some boards, the black wire is 15v !!! Check with a multi-meter to make sure 15V and ground are not swapped