Hardware description
Figure 11: Arduino signals routing on the nRF52 DK
4.5 Buttons and LEDs
The four buttons and four LEDs on the nRF52 DK are connected to dedicated GPIOs on the nRF52832 SoC.
Part GPIO Short
BUTTON 1 P0.13 -
BUTTON 2 P0.14 -
BUTTON 3 P0.15 -
BUTTON 4 P0.16 -
LED1 P0.17 SB5
LED2 P0.18 SB6
LED3 P0.19 SB7
LED4 P0.20 SB8
Table 3: Button and LED connection
If P0.17–P0.20 are needed elsewhere, the LEDs can be disconnected by cutting the short on SB5–SB8.
See the following figure for more information.
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