Power Input Header
The Radxa X4 has an onboard 2-Pin 2.54mm pitch power input header (designator J10, silkscreen PWR-IN), which can be used to power the board from an external 12V DC supply.
Pinout
| Pin | Signal | Description |
|---|---|---|
| 1 | GND | Ground (negative) |
| 2 | ADP12V_IN | 12V power input (positive) |

External Power Supply
Connect the positive and negative terminals of a 12V power supply to the positive and negative pins on the board to power the board.
warning
Do not connect the power with wrong or reversed polarity. Improper operation may cause hardware damage.