Based on Rockchip PX30 with Quad-core ARM Cortex-A35 CPU
Up to 4GB DDR3L at 1066/1333 MHz, 32 GB eMMC
4x USB 2.0, 1x USB 2.0 OTG port, 2x 10/100M Ethernet Ports, DSI to HDMI converter board, RTC and a 40-pin I/O header
| Linux GPIO (/sys/class/gpio) | Function | MRAA number | MRAA number | Function | Linux GPIO (/sys/class/gpio) |
|---|---|---|---|---|---|
| 3V3 | 1 | 2 | 5V | ||
| I2C_0 SDA | 3 | 4 | 5V | ||
| I2C_0 SCL | 5 | 6 | GND | ||
| 116 | GPIO | 7 | 8 | UART TX | |
| GND | 9 | 10 | UART RX | ||
| 118 | GPIO | 11 | 12 | GPIO | 117 |
| 107 | GPIO | 13 | 14 | GND | |
| 104 | GPIO | 15 | 16 | GPIO | 109 |
| 3V3 | 17 | 18 | GPIO | 121 | |
| SPI MOSI | 19 | 20 | GND | ||
| SPI MISO | 21 | 22 | GPIO | 122 | |
| SPI SCLK | 23 | 24 | SPI CS0 | ||
| GND | 25 | 26 | N/A | ||
| I2C_1 SDA | 27 | 28 | I2C_1 SCL | ||
| 496 | GPIO/PWM | 29 | 30 | GND | |
| 497 | GPIO/PWM | 31 | 32 | GPIO/PWM | 498 |
| 499 | GPIO/PWM | 33 | 34 | GND | |
| 500 | GPIO/PWM | 35 | 36 | GPIO/PWM | 501 |
| 502 | GPIO/PWM | 37 | 38 | GPIO/PWM | 503 |
| GND | 39 | 40 | GPIO/PWM | 504 |
Note: N/A: Funciton is not supported