Overview
The Raspberry Pi 4 Model B is a powerful single-board computer that offers improved performance and capabilities compared to its predecessors. It is widely used for various projects and applications.
Pinout Table
| Pin Number | Name | Function | I/O | Voltage Level | Notes |
|---|---|---|---|---|---|
| 1 | 3V3 | Power | Output | 3.3V | 3V3 pins provide 3.3V power |
| 2 | 5V | Power | Output | 5V | 5V Power Supply |
| 3 | GPIO2 | General Purpose I/O | I/O | 3.3V | |
| 4 | 5V | Power | Output | 5V | |
| 5 | GPIO3 | General Purpose I/O | I/O | 3.3V | |
| 6 | GND | Ground | Ground | ||
| 7 | GPIO4 | General Purpose I/O | I/O | 3.3V | |
| 8 | GPIO14 | General Purpose I/O | I/O | 3.3V | |
| 9 | GND | Ground | Ground | ||
| 10 | GPIO15 | General Purpose I/O | I/O | 3.3V | |
| 11 | GPIO17 | General Purpose I/O | I/O | 3.3V | |
| 12 | GPIO18 | General Purpose I/O | I/O | 3.3V | |
| 13 | GPIO27 | General Purpose I/O | I/O | 3.3V | |
| 14 | GND | Ground | Ground | ||
| 15 | GPIO22 | General Purpose I/O | I/O | 3.3V | |
| 16 | GPIO23 | General Purpose I/O | I/O | 3.3V | |
| 17 | 3V3 | Power | Output | 3.3V | 3V3 pins provide 3.3V power |
| 18 | GPIO24 | General Purpose I/O | I/O | 3.3V | |
| 19 | GPIO10 | General Purpose I/O | I/O | 3.3V | |
| 20 | GND | Ground | Ground | ||
| 21 | GPIO9 | General Purpose I/O | I/O | 3.3V | |
| 22 | GPIO25 | General Purpose I/O | I/O | 3.3V | |
| 23 | GPIO11 | General Purpose I/O | I/O | 3.3V | |
| 24 | GPIO8 | General Purpose I/O | I/O | 3.3V | |
| 25 | GND | Ground | Ground | ||
| 26 | GPIO7 | General Purpose I/O | I/O | 3.3V | |
| 27 | ID_SD | ID EEPROM | I2C Bus (ID EEPROM) | ||
| 28 | ID_SC | ID EEPROM | I2C Bus (ID EEPROM) | ||
| 29 | GPIO5 | General Purpose I/O | I/O | 3.3V | |
| 30 | GND | Ground | Ground | ||
| 31 | GPIO6 | General Purpose I/O | I/O | 3.3V | |
| 32 | GPIO12 | General Purpose I/O | I/O | 3.3V | |
| 33 | GPIO13 | General Purpose I/O | I/O | 3.3V | |
| 34 | GND | Ground | Ground | ||
| 35 | GPIO19 | General Purpose I/O | I/O | 3.3V | |
| 36 | GPIO16 | General Purpose I/O | I/O | 3.3V | |
| 37 | GPIO26 | General Purpose I/O | I/O | 3.3V | |
| 38 | GPIO20 | General Purpose I/O | I/O | 3.3V | |
| 39 | GND | Ground | Ground | ||
| 40 | GPIO21 | General Purpose I/O | I/O | 3.3V |
Pinout Diagram
2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40
-----------------------------------------------------------
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39
Key Features
- Faster processor and increased RAM options
- Multiple USB ports, including USB 3.0
- Dual micro HDMI ports for multiple display
- Gigabit Ethernet and onboard Wi-Fi and Bluetooth
- GPIO (General Purpose Input/Output) header for interfacing with external devices
Usage Scenarios
The Raspberry Pi 4 Model B can be used for a wide range of projects, including home automation, media centers, robotics, IoT applications, and much more.
Safety Precautions
- Ensure proper power supply and avoid exceeding the recommended voltage levels to prevent damage to the board.
- Take necessary precautions while working with electrical connections to avoid electrical hazards.