There are four LEDs in the Microchip Touch Bridge kit.
| LED | Color | Purpose |
| Bluetooth LED | Blue | Connected to the RN4678 Bluetooth module |
| LED1 | Yellow | Connected to the PB03 of the host MCU |
| LED2 | Red | Connected to the PA00 of the host MCU |
| LED3 | Green | Connected to the PA01 of the host MCU |
| LED Power | Green | Bridge MCU power status |