How to Use Raspi Cam 3: Examples, Pinouts, and Specs

The Raspi Cam 3 is a high-quality camera module designed specifically for use with Raspberry Pi boards. It features improved image resolution, enhanced low-light performance, and versatile functionality, making it an excellent choice for photography, video recording, and computer vision applications. With its compact design and robust capabilities, the Raspi Cam 3 is ideal for hobbyists, educators, and professionals alike.

• Photography and Videography: Capture high-resolution images and videos.
• Surveillance Systems: Use in security and monitoring setups.
• Computer Vision Projects: Ideal for object detection, facial recognition, and AI-based applications.
• Time-Lapse Photography: Create stunning time-lapse videos.
• Robotics: Integrate into robots for vision-based navigation and tasks.

The Raspi Cam 3 offers advanced features and specifications to meet a wide range of project requirements.

• Sensor: 12-megapixel Sony IMX708
• Resolution: Up to 4608 x 2592 pixels
• Video Modes:
  • 1080p at 30/60 fps
  • 720p at 120 fps
• Field of View (FoV): 120° (wide-angle lens option available)
• Shutter Type: Rolling shutter
• Interface: CSI-2 (Camera Serial Interface)
• Connector: 15-pin ribbon cable
• Power Supply: 3.3V (via Raspberry Pi)
• Dimensions: 25mm x 24mm x 9mm
• Weight: 3g

The Raspi Cam 3 connects to the Raspberry Pi via the CSI interface using a 15-pin ribbon cable. Below is the pin configuration for the CSI connector:

1. Connect the Camera:

   • Power off your Raspberry Pi.
   • Locate the CSI connector on the Raspberry Pi board.
   • Gently lift the plastic clip on the CSI connector.
   • Insert the 15-pin ribbon cable from the Raspi Cam 3 into the connector, ensuring the metal contacts face the Raspberry Pi's PCB.
   • Secure the cable by pressing the plastic clip back down.

2. Enable the Camera Interface:

   • Boot up your Raspberry Pi.
   • Open a terminal and run the following command to access the Raspberry Pi configuration tool:

     sudo raspi-config
     

   • Navigate to Interface Options > Camera and enable the camera interface.
   • Reboot the Raspberry Pi to apply the changes.

3. Capture Images and Videos:

   • Install the libcamera tools if not already installed:

     sudo apt update
     sudo apt install libcamera-apps
     

   • To capture an image:

     libcamera-still -o image.jpg
     

   • To record a video:

     libcamera-vid -o video.h264
     

• Ensure the ribbon cable is securely connected to avoid communication issues.
• Avoid touching the camera lens to prevent smudges or scratches.
• Use a stable power supply to prevent unexpected shutdowns or malfunctions.
• For low-light environments, consider using an external IR illuminator or adjusting the camera's exposure settings.
• When using the camera for extended periods, ensure proper ventilation to prevent overheating.

The Raspi Cam 3 is designed for Raspberry Pi and does not natively interface with Arduino boards. However, you can use an intermediary device, such as a Raspberry Pi, to process the camera data and communicate with the Arduino via serial or I2C.

1. Camera Not Detected:

   • Ensure the ribbon cable is properly connected to the CSI port.
   • Verify that the camera interface is enabled in the Raspberry Pi configuration.
   • Check for software updates and install the latest version of libcamera.

2. Poor Image Quality:

   • Clean the camera lens with a microfiber cloth.
   • Adjust the camera's focus if using a model with a manual focus lens.
   • Experiment with different lighting conditions or use external lighting.

3. Video Recording Fails:

   • Ensure sufficient storage space is available on the Raspberry Pi.
   • Use a high-speed microSD card to avoid write speed bottlenecks.

4. Camera Overheating:

   • Ensure proper ventilation around the Raspberry Pi and camera module.
   • Avoid using the camera in high-temperature environments for extended periods.

Q: Can the Raspi Cam 3 be used with older Raspberry Pi models?
A: Yes, the Raspi Cam 3 is compatible with most Raspberry Pi models that feature a CSI connector. However, performance may vary depending on the Raspberry Pi's processing power.

Q: Does the Raspi Cam 3 support autofocus?
A: Yes, the Raspi Cam 3 features autofocus capabilities for sharper images and videos.

Q: Can I use the Raspi Cam 3 for night vision?
A: The Raspi Cam 3 has improved low-light performance, but for true night vision, consider using an IR-sensitive version of the camera along with an IR illuminator.

Q: How do I update the camera firmware?
A: Firmware updates are typically included in Raspberry Pi OS updates. Run the following commands to update your system:

sudo apt update
sudo apt full-upgrade

By following this documentation, you can effectively integrate and utilize the Raspi Cam 3 in your projects.