pixhawk4 接线图

pixhawk4-connectors.6ec2ef1d.jpg

USB port

PinSignalVolt
1(red)VBUS+5V
2(black)DM+3.3V
3(black)DP+3.3V
4(black)GNDGND

POWER1 POWER2 port

PinSignalVolt
1(red)VCC+5V
2(black)VCC+5V
3(black)CURRENT+3.3V
4(black)VOLTAGE+3.3V
5(black)GNDGND
6(black)GNDGND

TELEM1, TELEM2 ports

PinSignalVolt
1(red)VCC+5V
2(black)TX(out)+3.3V
3(black)RX(in)+3.3V
4(black)CTS(in)+3.3V
5(black)RTS(out)+3.3V
6(black)GNDGND

UART & I2C B port

PinSignalVolt
1(red)VCC+5V
2(black)TX(out)+3.3V
3(black)RX(in)+3.3V
4(black)SCL2+3.3V
5(black)SDA2+3.3V
6(black)GNDGND
  • A spare port for connecting sensors supporting serial communication or I2C e.g. a second GPS module can be connected here.

  • 用于连接支持串行通信或I2C的传感器的备用端口,例如,可以在此处连接第二个GPS模块。

CAN1, CAN2 ports

PinSignalVolt
1(red)VCC+5V
2(black)CANH+3.3V
3(black)CANL+3.3V
4(black)GNDGND

DSM RC port

PinSignalVolt
1(null)VDD_5V_SBUS_RC+5V
2(yellow)SBUS *+3.3V
3(null)RSSI *+3.3V
4(red)VDD_3v3_SPEKTRUM+3.3V
5(black)GNDGND
  • Connect SBUS or DSM/Spektrum receiver’s signal wire connect here.

  • Sends the RC signal strength info to autopilot.

  • 将SBU或DSM/Spektrum接收器的信号线连接到此处。

  • 向自动驾驶仪发送RC信号强度信息。

SBUS RC port

PinSignalVolt
1(red)VDD_5V_SBUS_RC+5V
2(yellow)SBUS+3.3V
3(null)RSSI+3.3V
4(null)VDD_3V3_SPEKTRUM+3.3V
5(black)GNDGND

I2C A port

PinSignalVolt
1(red)VCC+5V
2(black)SCL4+3.3V
3(black)SDA4+3.3V
4(black)GNDGND

CAP & ADC IN port

PinSignalVolt
1(red)VCC+5V
2 black)FMU_CAP1+3.3V
3(black)FMU_CAP2+3.3V
4(black)FMU_CAP3+3.3V
5(black)TIM5_SPARE_4+3.3V
6(black)ADC1_SPARE_1+3.3V*
7(black)ADC1_SPARE_2+6.6V*
8(black)GNDGND
  • WARNING: Sensors connected to this pin should not send a signal exceeding this voltage!
  • 警告:连接到此引脚的传感器不应发送超过此电压的信号!

SBUS OUTport

PinSignalVolt
1(red)
2(yellow)SBUS_OUT+3.3V
3(black)GNDGND

PPM RC port

PinSignalVolt
1(red)VCC+5V
2(yellow)PPM+3.3V
3(black)GNDGND

GPS MODULE port

PinSignalVolt
1(red)VCC+5V
2 black)TX(out)+3.3V
3(black)RX(in)+3.3V
4(black)SCL1+3.3V
5(black)SDA1+3.3V
6(black)SAFETY_SWITCH+3.3V
7(black)SAFETY_SWITCH_LED+3.3V
8(black)VDD_3V3+3.3V
9(black)BUZZER-0V/5V
10(black)GNDGND

SPI port

PinSignalVolt
1(red)VCC+5V
2 (black)SCK+3.3V
3(black)MISO+3.3V
4(black)MOSI+3.3V
5(black)CS1+3.3V
6(black)CS2+3.3V
7(black)GNDGND

I/O PWM OUT port

PinSignalVolt
1(red)VDD_SERVO
2 black)IO_CH1+3.3V
3(black)IO_CH2+3.3V
4(black)IO_CH3+3.3V
5(black)IO_CH4+3.3V
6(black)IO_CH5+3.3V
7(black)IO_CH6+3.3V
8(black)IO_CH7+3.3V
9(black)IO_CH8+3.3V
10(black)GNDGND

FMU PWM OUT port

PinSignalVolt
1(red)VDD_SERVO
2 black)FMU_CH1+3.3V
3(black)FMU_CH2+3.3V
4(black)FMU_CH3+3.3V
5(black)FMU_CH4+3.3V
6(black)FMU_CH5+3.3V
7(black)FMU_CH6+3.3V
8(black)FMU_CH7+3.3V
9(black)FMU_CH8+3.3V
10(black)GNDGND

image.png

IO DEBUG PORT

PinSignalVolt
1(red)VT+3.3V
2(black)TX+3.3V
3(black)NC
4(black)SWDIO+3.3V
5(black)SWCLK+3.3V
6(black)GNDGND

FMU DEBUG port

PinSignalVolt
1(red)VT+3.3V
2(black)TX+3.3V
3(black)RX+3.3V
4(black)SWDIO+3.3V
5(black)SWCLK+3.3V
6(black)GNDGND