> For the complete documentation index, see [llms.txt](https://docs.holybro.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.holybro.com/autopilot/pixhawk-baseboards/pixhawk-mini-baseboard-ports.md). # Pixhawk Mini Baseboard Ports {% hint style="info" %} This baseboard is compatible with both Pixhawk 5X & 6X, and any flight controller that follows the Pixhawk Bus Standard. {% endhint %} ![](/files/JLj94MpERwBI5SUUlrgz) {% hint style="info" %} * FMU PWM OUT = AUX OUT * I/O PWM OUT = MAIN OUT * Refer to this diagram for location of pin1. All connectors are JST GH 1.25 mm Pitch unless noted otherwise. ![](/files/MyTeWlJug4RGPlgIU1H6) {% endhint %} ### **Power1 Port** (2.00mm Pitch CLIK-Mate) | **Pin** | **Signal** | **Volt** | | -------- | --------------- | -------- | | 1(red) | VDD5V\_BRICK1/2 | +5V | | 2(black) | VDD5V\_BRICK1/2 | +5V | | 3(black) | SCL1/2 | +3.3V | | 4(black) | SDA1/2 | +3.3V | | 5(black) | GND | GND | | 6(black) | GND | GND | ### **Telem1, Telem2 ports** | **Pin** | **Signal** | **Volt** | | -------- | -------------- | -------- | | 1(red) | VCC | +5V | | 2(black) | TX7/5/2 (out) | +3.3V | | 3(black) | RX7/5/2 (in) | +3.3V | | 4(black) | CTS7/5/2 (in) | +3.3V | | 5(black) | RTS7/5/2 (out) | +3.3V | | 6(black) | GND | GND | ### **GPS 1 Port** | **Pin** | **Signal** | **Volt** | | --------- | ------------------- | -------- | | 1(red) | VCC | +5V | | 2 black) | TX1(out) | +3.3V | | 3(black) | RX1(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- | 0\~5V | | 10(black) | GND | GND | ### **GPS 2 Port** | **Pin** | **Signal** | **Volt** | | -------- | ---------- | -------- | | 1(red) | VCC | +5V | | 2 black) | TX8(out) | +3.3V | | 3(black) | RX8(in) | +3.3V | | 4(black) | SCL2 | +3.3V | | 5(black) | SDA2 | +3.3V | | 6(black) | GND | GND | ### **CAN1 port** | **Pin** | **Signal** | **Volt** | | -------- | ---------- | -------- | | 1(red) | VCC | +5V | | 2(black) | CANH1/2 | +3.3V | | 3(black) | CANL1/2 | +3.3V | | 4(black) | GND | GND | ### **I2C Port** | **Pin** | **Signal** | **Volt** | | -------- | ---------- | -------- | | 1(red) | VCC | +5V | | 2(black) | SCL3 | +3.3V | | 3(black) | SDA3 | +3.3V | | 4(black) | GND | GND | ### **Eth Port** | **Pin** | **Signal** | **Volt** | | -------- | ---------- | -------- | | 1(red) | RXN | +3.3V | | 2(black) | RXP | +3.3V | | 3(black) | TXN | +3.3V | | 4(black) | TXP | +3.3V | ### **DSM RC Port** (JST-ZH 1.5mm Pitch) | **Pin** | **Signal** | **Volt** | | --------- | ------------------ | -------- | | 1(yellow) | VDD\_3V3\_SPEKTRUM | +3.3V | | 2(black) | GND | GND | | 3(gray) | DSM/SPEKTRUM IN | +3.3V | ### **SBUS RC port** | **Pin** | **Signal** | **Volt** | | ------- | ------------------ | -------- | | 1 | VDD\_5V \_RC | +3.3V | | 2 | SBUS/PPM in | +5V | | 3 | NC | -- | | 4 | SBUS\_OUT/RSSI\_IN | +3.3V | | 5 | GND | GND | ### **IO Debug Port** (JST-SH 1mm Pitch) | **Pin** | **Signal** | **Volt** | | --------- | ---------------- | -------- | | 1(red) | IO\_VDD\_3V3 | +3.3V | | 2 black) | IO\_USART1\_TX | +3.3V | | 3(black) | NC | -- | | 4(black) | IO\_SWD\_IO | +3.3V | | 5(black) | IO\_SWD\_CK | +3.3V | | 6(black) | IO\_SWO | +3.3V | | 7(black) | IO\_SPARE\_GPIO1 | +3.3V | | 8(black) | IO\_SPARE\_GPIO2 | +3.3V | | 9(black) | IO\_nRST | +3.3V | | 10(black) | GND | GND | ### **FMU Debug Port** (JST-SH 1mm Pitch) | **Pin** | **Signal** | **Volt** | | --------- | -------------------- | -------- | | 1(red) | FMU\_VDD\_3V3 | +3.3V | | 2 black) | FMU\_USART3\_TX | +3.3V | | 3(black) | FMU\_USART3\_RX | +3.3V | | 4(black) | FMU\_SWD\_IO | +3.3V | | 5(black) | FMU\_SWD\_CK | +3.3V | | 6(black) | SPI6\_SCK\_EXTERNAL1 | +3.3V | | 7(black) | NFC\_GPIO | +3.3V | | 8(black) | PH11 | +3.3V | | 9(black) | FMU\_nRST | +3.3V | | 10(black) | GND | GND | ### **FMU PWM OUT (AUX OUT)** | Pin | Signal | Voltage | | ---------- | ---------- | ------- | | 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) | GND | GND | ### **I/O PWM OUT (MAIN OUT)** | Pin | Signal | Voltage | | ---------- | ---------- | ------- | | 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) | GND | GND | --- # Agent Instructions This documentation is published with GitBook. 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