Onion Omega Pinout
Onion Omega2 (32-pin Header)
| Pin | Name | Function | Type |
|---|
| 1 | GND | Ground | Ground |
| 2 | 3.3V | 3.3V Power | Power |
| 3 | GPIO2 | I2C SDA / GPIO | I2C/GPIO |
| 4 | GPIO3 | I2C SCL / GPIO | I2C/GPIO |
| 5 | GPIO17 | GPIO | GPIO |
| 6 | GPIO16 | GPIO | GPIO |
| 7 | GPIO15 | GPIO | GPIO |
| 8 | GPIO46 | GPIO | GPIO |
| 9 | UART0_TX | UART0 Transmit (GPIO12) | UART |
| 10 | UART0_RX | UART0 Receive (GPIO13) | UART |
| 11 | UART1_TX | UART1 Transmit (GPIO45) | UART |
| 12 | UART1_RX | UART1 Receive (GPIO46) | UART |
| 13 | SPI_CS | SPI Chip Select (GPIO6) | SPI |
| 14 | SPI_CLK | SPI Clock (GPIO7) | SPI |
| 15 | SPI_MOSI | SPI MOSI (GPIO8) | SPI |
| 16 | SPI_MISO | SPI MISO (GPIO9) | SPI |
| 17 | GPIO11 | GPIO | GPIO |
| 18 | GPIO18 | PWM0 / GPIO | GPIO/PWM |
| 19 | GPIO19 | PWM1 / GPIO | GPIO/PWM |
| 20 | GPIO0 | GPIO | GPIO |
| 21 | GPIO1 | GPIO | GPIO |
| 22 | FW_RST | Firmware Reset | Control |