Pin 3 – 3.3V (white wire)
Pin 4 – GND (black wire)
Pin 11 – UART TX from CPU to PC (blue wire)
Pin 12 – UART RX from PC to CPU (yellow wire)
Adding a serial console port to the iSpot (with iSpot teardown)
Adding a serial console port to the iSpot (with iSpot teardown)
Pin 3 – 3.3V (white wire)
Pin 4 – GND (black wire)
Pin 11 – UART TX from CPU to PC (blue wire)
Pin 12 – UART RX from PC to CPU (yellow wire)