# ` dongle` Pre-made applications for the nRF52840 Dongle. These applications will be used in the beginner workshop. ## Getting familiar with the hardware > TODO review for accessibility ### LEDs - The green LED (LD1) is connected to pin P0.6 - The red channel of the RGB LED (LD2) is connected to pin P0.8 - The green channel of the RGB LED (LD2) is connected to pin P**1**.9 - The blue channel of the RGB LED (LD2) is connected to pin P0.12 Both LEDs are mounted near the USB connector. ### Buttons - The Reset button is mounted sideways near the edge of the board that's opposite of the USB connector. - The SW1 button is connected to pin P**1**.06. This round-ish button is right next to the RESET button but closer to the USB connector. ## References - [nRF52840 Dongle section on Nordic Semiconductor's info center](https://infocenter.nordicsemi.com/index.jsp?topic=%2Fug_getting_started%2FUG%2Fgs%2Fdevelop_sw.html&cp=1_0_2)