The Orange Pi 3b is an advanced single-board computer powered by an H6 Quad-core Cortex-A53 processor. Ideal for various applications ranging from IoT to multimedia projects, it provides extensive connectivity and versatile features.
Pinout Table
| Pin Number | Name | Function | I/O | Voltage Level | Notes |
|---|---|---|---|---|---|
| 1 | VCC-3.3V | 3.3V Power | - | 3.3V | |
| 2 | VCC-5V | 5V Power | - | 5V | |
| 3 | TWI0-SDA | PD26 | I/O | 3.3V TTL | |
| 4 | VCC-5V | 5V Power | - | 5V | |
| 5 | TWI0-SCK | PD25 | I/O | 3.3V TTL | |
| 6 | GND | Ground | - | - | |
| 7 | PWM0 | PD22 | I/O | 3.3V TTL | |
| 8 | S-UART-TX | PL02 | I/O | 3.3V TTL | |
| 9 | GND | Ground | - | - | |
| 10 | S-UART-RX | PL03 | I/O | 3.3V TTL | |
| 11 | UART3-RX | PD24 | I/O | 3.3V TTL | |
| 12 | PD18 | PD18 | I/O | 3.3V TTL | |
| 13 | UART3-TX | PD23 | I/O | 3.3V TTL | |
| 14 | GND | Ground | - | - | |
| 15 | PL10 | PL10 | I/O | 3.3V TTL | |
| 16 | PD15 | PD15 | I/O | 3.3V TTL | |
| 17 | VCC-3.3V | 3.3V Power | - | 3.3V | |
| 18 | PD16 | PD16 | I/O | 3.3V TTL | |
| 19 | SPI1_MOSI | PH05 | I/O | 3.3V TTL | |
| 20 | GND | Ground | - | - | |
| 21 | SPI1_MISO | PH06 | I/O | 3.3V TTL | |
| 22 | PD21 | PD21 | I/O | 3.3V TTL | |
| 23 | SPI1_CLK | PH04 | I/O | 3.3V TTL | |
| 24 | SPI1_CS | PH03 | I/O | 3.3V TTL | |
| 25 | GND | Ground | - | - | |
| 26 | PL08 | PL08 | I/O | 3.3V TTL |
Pinout Diagram
Key Features
- High-performance H6 Quad-core Cortex-A53 processor.
- Extensive GPIO pins for various I/O operations.
- Onboard Wi-Fi, Bluetooth, and Ethernet for connectivity.
- HDMI, USB, and other peripheral interfaces.
- Expandable storage options with microSD and eMMC support.
Usage Scenarios
The Orange Pi 3b is perfect for:
- Advanced IoT applications and networked devices.
- Multimedia centers with 4K video support.
- Embedded system designs with complex requirements.
- Learning and development with versatile programming options.
- High-performance computing on a budget.
Safety Precautions
- Follow proper power supply requirements.
- Handle with care, considering ESD precautions.
- Disconnect from power when making changes.
- Avoid short circuits and ensure proper pin connections.
- Always work in a clean, dry environment.