LEDs and buttons

nRF5340 Audio DK Hardware

The user interface on the nRF5340 Audio Development Kit (DK) consists of five user-programmable LEDs and five user-programmable buttons.

The following schematic describes the LEDs and buttons.
Figure 1. LEDs and buttons
1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 D D C C B B A A Size PCB Assembly Number Date: File: Sheet of Drawn By: Revision nRF5340 Audio Development Board - User Interface 1.0.0 16.02.2022 pca10121_user_interface.SchDoc 7 18 RUBR PCA10121 A3 Title Classification: PUBLIC LD1 L0603B LD2 L0603G LD3 L0603G SW1 VOL- SW2 VOL+ SW3 PLAY/PAUSE SW4 BTN 4 SW5 BTN 5 R G B LD4 LED RGB R19 47R R17 180R R18 47R BUTTON5 BUTTON4 BUTTON3 BUTTON2 BUTTON1 BUTTONS BLUE GREEN RED RGB LED LED3 LED2 LED1 LEDS UI RGB1 RGB2 LEDS BUTTONS UI Q3A DMN26D0UDJ Q4B DMN26D0UDJ Q6A DMN26D0UDJ R30 1M0 R33 1M0 R36 1M0 R G B LD5 LED RGB R22 47R R20 180R R21 47R Q5A DMN26D0UDJ Q3B DMN26D0UDJ R31 1M0 R34 1M0 R38 1M0 BLUE GREEN RED RGB LED R25 390R R27 220R R26 330R Q7A DMN26D0UDJ Q5B DMN26D0UDJ R35 1M0 R32 1M0 R37 1M0 LED_SUPPLY LD6 L0603G R16 220R R29 1M0 HW_CODEC_LED CLK 5 DATA 1 SDA 2 SCL 4 VDD 6 L/R SEL 7 GND 8 DOUT 3 U5 VM3011 C40 100nF I2C address: 0x60 MIC_PDM CLOCK DATA POWER PDM SCL SDA I2C MIC_I2C MIC_DOUT R G B LD8 LED RGB R28 220R R23 1k2 R24 2k2 Q7B DMN26D0UDJ Q6B DMN26D0UDJ Q2 RV2C010UNT2L TP58 TP59 TP11 TP12 TP9 TP10

See User interface in the nRF5340 Audio applications documentation for more information.