Orange Pi Zero
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Orange Pi Zero is a small headless ARM computer.
Related: Orange Pi R1
Board
Upper side
| # | Component |
|---|---|
| 1 | 26-pin GPIO |
| 2 | Serial port: GND, RX, TX (left to right) |
| 3 | RJ45 Ethernet port |
| 4 | USB 2.0 port |
| 5 | 13-pin expansion port |
| 6 | WiFi antenna |
| 7 | XR819 WiFi controller |
| 8 | Pulse H1102NL Signal Transformer for the Ethernet port |
| 9 | Allwinner Technology H2+ SoC |
| 10 | 256/512 MB DDR3 SDRAM (256 MB in the photo) |
| 11 | micro-USB port (power and data) |
| 12 | ? LED |
| 13 | Power LED |
Bottom side
| # | Component |
|---|---|
| 1 | USB 2.0 port |
| 2 | RJ45 Ethernet port |
| 3 | 26-pin GPIO port |
| 4 | 13-pin expansion port |
| 5 | 2 MB SPI Flash 25L1606E |
| 6 | microSD card slot |
GPIO
- Supports GPIO, I2C, SPI, UART
- Pinout diagram
- Resources: Python GPIO library
- WiringOP - Orange Pi equivalent of Raspberry Pi's WiringPi
- Dynamical GPIO layout:
gpio readall - WiringOP-Zero with support for on board LED (otherwise outdated)
- Dynamical GPIO layout:
Peripherals
- USB Bluetooth dongle (e.g. RTL8821CU) (not supported by the built-in module)
- USB Wifi dongle (e.g. RTL8821CU)
- to access the 5 GHz band (not supported by the built-in module)
- for packet sniffing or network proxy (not supported by the built-in module)
- I2C OLED display SSD1306
- to show the system status (CPU usage, IP address etc.)
- Dejvino/SSD1306 (minimalistic status display in C)
- Additional resources: SSD1306 for OrangePiZero, Rust SSD1306 library, Python OLED library
- SPI TFT display
- as a framebuffer screen fbtft (previously supported directly in Linux kernel up to 5.4[1], [2])
- Resources: Raspberry Pi display, ST7735 display, ST7735S
- TODO: [3]
