Pinout

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ARK Jetson Carrier Board Pinout Reference Poster 7-22-2025.pdf

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Pinout reference poster (PDF)

POWER1

Pin Number	Signal Name	Voltage
1	VBRICK1	5.0V
2	VBRICK1	5.0V
3	I2C1_SCL_PWR_EXT	3.3V
4	I2C1_SDA_PWR_EXT	3.3V
5	GND	GND
6	GND	GND

POWER2

Pin Number	Signal Name	Voltage
1	VBRICK2	5.0V
2	VBRICK2	5.0V
3	I2C2_SCL_BASE_PWR_EXT	3.3V
4	I2C2_SDA_BASE_PWR_EXT	3.3V
5	GND	GND
6	GND	GND

POWER3

Pin Number	Signal Name	Voltage
1	VBRICK3	5.0V
2	VBRICK3	5.0V
3	I2C3_SCL_PWR_EXT	3.3V
4	I2C3_SDA_PWR_EXT	3.3V
5	GND	GND
6	GND	GND

TELEM1

Pin Number	Signal Name	Voltage
1	VDD_5V_HIPOWER	5.0V
2	UART7_TX_TELEM1_EXT	3.3V
3	UART7_RX_TELEM1_EXT	3.3V
4	UART7_CTS_TELEM1_EXT	3.3V
5	UART7_RTS_TELEM1_EXT	3.3V
6	GND	GND

TELEM3

Pin Number	Signal Name	Voltage
1	VDD_5V_HIPOWER	5.0V
2	USART2_TX_TELEM3_EXT	3.3V
3	USART2_RX_TELEM3_EXT	3.3V
4	USART2_CTS_TELEM3_EXT	3.3V
5	USART2_RTS_TELEM3_EXT	3.3V
6	GND	GND

GPS1

Pin Number	Signal Name	Voltage
1	VDD_5V_PERIPH	5.0V
2	USART1_TX_GPS1_EXT	3.3V
3	USART1_RX_GPS1_EXT	3.3V
4	I2C1_SCL_GPS1_EXT	3.3V
5	I2C1_SDA_GPS1_EXT	3.3V
6	NSAFETY_SWITCH_IN_EXT	3.3V
7	NSAFETY_SWITCH_LED_OUT_EXT	3.3V
8	3V3_FMU	3.3V
9	BUZZER_EXT	5.0V (open drain)
10	GND	GND

GPS2

Pin Number	Signal Name	Voltage
1	VDD_5V_HIPOWER	5.0V
2	UART8_TX_GPS2_EXT	3.3V
3	UART8_RX_GPS2_EXT	3.3V
4	I2C2_SCL_BASE_GPS2_EXT	3.3V
5	I2C2_SDA_BASE_GPS2_EXT	3.3V
6	GND	GND

CAN1

Pin Number	Signal Name	Voltage
1	VDD_5V_HIPOWER	5.0V
2	CAN1_H	3.3V
3	CAN1_L	3.3V
4	GND	GND

CAN2

Pin Number	Signal Name	Voltage
1	VDD_5V_PERIPH	5.0V
2	CAN2_H	3.3V
3	CAN2_L	3.3V
4	GND	GND

RC

Pin Number	Signal Name	Voltage
1	VDD_5V_SBUS_RC	5.0V
2	RX_SBUS_IN_EXT	3.3V
3	USART6_TX_RC_OUTPUT_EXT	3.3V
4	VDD_3V3_SPEKTRUM	3.3V
5	GND	GND

PWM

Pin Number	Signal Name	Voltage
1	VDD SERVO (NO CONNECT)	NO CONNECT
2	FMU_CH1_EXT	3.3V
3	FMU_CH2_EXT	3.3V
4	FMU_CH3_EXT	3.3V
5	FMU_CH4_EXT	3.3V
6	FMU_CH5_EXT	3.3V
7	FMU_CH6_EXT	3.3V
8	FMU_CH7_EXT	3.3V
9	FMU_CH8_EXT	3.3V
10	GND	GND

ADIO

Pin Number	Signal Name	Voltage
1	VDD_5V_PERIPH	5.0V
2	FMU_CAP_EXT	3.3V
3	NARMED_EXT	3.3V
4	ADC1_3V3_EXT	3.3V
5	ADC1_6V6_EXT	6.6V
6	GND	GND

SPI6

Pin Number	Signal Name	Voltage
1	VDD_5V_PERIPH	5.0V
2	SPI6_SCK_EXT	3.3V
3	SPI6_MISO_EXT	3.3V
4	SPI6_MOSI_EXT	3.3V
5	SPI6_NCS1_EXT	3.3V
6	SPI6_NCS2_EXT	3.3V
7	SPIX_NSYNC_EXT	3.3V
8	SPI6_DRDY1_EXT	3.3V
9	SPI6_DRDY2_EXT	3.3V
10	SPI6_NRESET_EXT	3.3V
11	GND	GND

I2C3

Pin Number	Signal Name	Voltage
1	VDD_5V_PERIPH	5.0V
2	I2C3_SCL_EXT	3.3V
3	I2C3_SDA_EXT	3.3V
4	GND	GND

UART4/I2C3

Pin Number	Signal Name	Voltage
1	VDD_5V_PERIPH	5.0V
2	UART4_TX_EXT	3.3V
3	UART4_RX_EXT	3.3V
4	I2C3_SCL_EXT	3.3V
5	I2C3_SDA_EXT	3.3V
6	GND	GND

FC Debug

Pin Number	Signal Name	Voltage
1	3V3_FMU	3.3V
2	USART3_TX_DEBUG	3.3V
3	USART3_RX_DEBUG_EXT	3.3V
4	FMU_SWDIO	3.3V
5	FMU_SWCLK	3.3V
6	SPI6_SCK_EXTERNAL1	3.3V
7	NFC_GPIO	3.3V
8	PD15	3.3V
9	FMU_NRST	3.3V
10	GND	GND

Jetson SPI0

Pin Number	Signal Name	Voltage
1	VDD_5V_JPERIPH	5.0V
2	SPI0_MOSI_3V3	3.3V
3	SPI0_SCK_3V3	3.3V
4	SPI0_MISO_3V3	3.3V
5	SPI0_CS0N_3V3	3.3V
6	SPI0_CS1N_3V3	3.3V
7	GND	GND

Jetson SPI1

Pin Number	Signal Name	Voltage
1	VDD_5V_JPERIPH	5.0V
2	SPI1_MOSI_3V3	3.3V
3	SPI1_SCK_3V3	3.3V
4	SPI1_MISO_3V3	3.3V
5	SPI1_CS0N_3V3	3.3V
6	NO CONNECT	NO CONNECT
7	GND	GND

Jetson I2S0

Pin Number	Signal Name	Voltage
1	VDD_5V_JPERIPH	5.0V
2	I2S0_DOUT_3V3	3.3V
3	I2S0_DIN_3V3	3.3V
4	I2S0_LRCLK_3V3	3.3V
5	I2S0_SCLK_3V3	3.3V
6	AUD_MCLK_3V3	3.3V
7	GND	GND

Jetson I2C0

Pin Number	Signal Name	Voltage
1	VDD_5V_JPERIPH	5.0V
2	I2C0_SCL_EXT	3.3V
3	I2C0_SDA_EXT	3.3V
4	GND	GND

Jetson CAN

Pin Number	Signal Name	Voltage
1	VDD_5V_JPERIPH	5.0V
2	JCAN_H	3.3V
3	JCAN_L	3.3V
4	GND	GND

Jetson Fan

Pin Number	Signal Name	Voltage
1	GND	GND
2	VDD_5V_JPERIPH	5.0V
3	FAN_TACH_CON	5.0V
4	FAN_PWM_Q*	5.0V

Jetson M.2 Key E

Pin Number	Signal Name	Voltage
2, 4, 72, 74	3V3	3.3V
3	HUB_USB4_M2_P	3.3V
5	HUB_USB4_M2_N	3.3V
8	I2S1_SCLK	1.8V
10	I2S1_LRCLK	1.8V
12	I2S1_DIN	1.8V
14	I2S1_DOUT	1.8V
20	BT_M2_WAKE_AP (GPIO02)	1.8V
22	UART0_RXD_1V8	1.8V
32	UART0_TXD_1V8	1.8V
34	UART0_CTS_1V8	1.8V
36	UART0_RTS_1V8	1.8V
58	I2C_M2_DATA_1V8	1.8V
60	I2C_M2_CLK_1V8	1.8V

Jetson Debug

Pin Number	Signal Name	Voltage
1	3V3	3.3V
2	UART2_TXD_3V3	3.3V
3	UART2_RXD_3V3	3.3V
4	NO CONNECT	NO CONNECT
5	NO CONNECT	NO CONNECT
6	GND	GND

Jetson CSI0

Pin Number	Signal Name	Voltage
1	3V3	3.3V
2	CAM0_SDA	3.3V
3	CAM0_SCL	3.3V
4	CAM0_MCLK	1.8V
5	CAM0_PWDN_3V3	3.3V
6	GND	GND
7	CSI0_CLK_P	1.2V
8	CSI0_CLK_N	1.2V
9	GND	GND
10	CSI0_D1_P	1.2V
11	CSI0_D1_N	1.2V
12	GND	GND
13	CSI0_D0_P	1.2V
14	CSI0_D0_N	1.2V
15	GND	GND

Jetson CSI1

Pin Number	Signal Name	Voltage
1	3V3	3.3V
2	CAM1_SDA	3.3V
3	CAM1_SCL	3.3V
4	CAM1_MCLK	1.8V
5	CAM1_PWDN_3V3	3.3V
6	GND	GND
7	CSI1_CLK_P	1.2V
8	CSI1_CLK_N	1.2V
9	GND	GND
10	CSI1_D1_P	1.2V
11	CSI1_D1_N	1.2V
12	GND	GND
13	CSI1_D0_P	1.2V
14	CSI1_D0_N	1.2V
15	GND	GND

Jetson CSI2

Pin Number	Signal Name	Voltage
1	3V3	3.3V
2	CAM2_SDA	3.3V
3	CAM2_SCL	3.3V
4	CAM2_MCLK (GPIO01 GP65)	1.8V
5	CAM2_PWDN_3V3 (SPI1_CS1* GP40_SPI3_CS1)	3.3V
6	GND	GND
7	CSI2_CLK_P	1.2V
8	CSI2_CLK_N	1.2V
9	GND	GND
10	CSI2_D1_P	1.2V
11	CSI2_D1_N	1.2V
12	GND	GND
13	CSI2_D0_P	1.2V
14	CSI2_D0_N	1.2V
15	GND	GND

Jetson CSI3

Pin Number	Signal Name	Voltage
1	3V3	3.3V
2	CAM3_SDA	3.3V
3	CAM3_SCL	3.3V
4	CAM3_MCLK (GPIO11 GP66)	1.8V
5	CAM3_PWDN_3V3 (GPIO06)	3.3V
6	GND	GND
7	CSI3_CLK_P	1.2V
8	CSI3_CLK_N	1.2V
9	GND	GND
10	CSI3_D1_P	1.2V
11	CSI3_D1_N	1.2V
12	GND	GND
13	CSI3_D0_P	1.2V
14	CSI3_D0_N	1.2V
15	GND	GND