Raspberry Pi 5 Projects: Retro Gaming to Home Automation

The release of the Raspberry Pi 5 marked a significant shift in the single-board computer market. It is no longer just a hobbyist toy for learning Python or blinking an LED. With a 2.4GHz quad-core Arm Cortex-A76 processor, it offers two to three times the speed of the previous generation. This article explores concrete project ideas that specifically leverage this new horsepower, moving beyond basic tutorials into high-performance computing tasks.

The Hardware Advantage: Why Upgrade?

Before choosing a project, it is essential to understand what makes the Pi 5 different. The previous Raspberry Pi 4 was capable, but it often hit bottlenecks with storage speed and graphical throughput. The Pi 5 solves this with three major changes:

  • PCIe 2.0 Interface: This is the most critical upgrade. It allows you to connect fast NVMe SSDs directly to the board (using an adapter HAT), bypassing the slow MicroSD card slot.
  • VideoCore VII GPU: This provides a massive leap in graphical performance, which is vital for gaming and media playback.
  • I/O Controller (RP1): This custom silicon handles input/output independently, ensuring USB transfers do not slow down the CPU.

To run these projects effectively, you will likely need the official 27W USB-C Power Supply to ensure stable performance under load, along with the Active Cooler, as the Pi 5 runs significantly hotter than its predecessors.

Project 1: The Ultimate Emulation Console (GameCube & PS2)

For years, the “holy grail” of Raspberry Pi emulation was the Nintendo 64 and Dreamcast. The Pi 4 handled these decently, but the Pi 5 pushes the boundary much further. We have now entered the era of functional PlayStation 2 and GameCube emulation.

The Software

While RetroPie works, many users are finding better immediate success on the Pi 5 with Batocera Linux or Recalbox. These operating systems are optimized to utilize the VideoCore VII GPU drivers right out of the box.

Performance Expectations

  • GameCube: Using the Dolphin emulator, games like Mario Kart: Double Dash and Super Smash Bros. Melee run at full speed (60 FPS) at native resolution. With slight overclocking, you can even push the resolution to 720p.
  • PlayStation 2: Using AetherSX2, a surprising number of titles are playable. God of War may still struggle, but games like Final Fantasy X and Kingdom Hearts run smoothly.
  • Dreamcast & PSP: These systems run flawlessly at upscaled resolutions (1080p), looking significantly better than they did on original hardware.

To make this a true console, consider the Argon ONE V3 case. It provides full-size HDMI ports (replacing the fragile micro-HDMI) and moves all ports to the back for a clean media center look.

Project 2: High-Speed Home Assistant Server

Home Assistant (HA) allows you to control smart devices from Apple, Google, Amazon, and generic brands in one local dashboard. While a Pi 3 or 4 can run HA, they often suffer from SD card corruption and slow database logs. The Pi 5 fixes this permanently.

The NVMe Upgrade

The single best upgrade for a Home Assistant setup is an NVMe SSD. Using a “HAT” (Hardware Attached on Top) like the Pimoroni NVMe Base or the Pineberry Pi HatDrive, you can install an M.2 SSD.

This results in:

  1. Instant Reboots: The system restarts in seconds rather than minutes.
  2. History Loading: Viewing the history of your temperature sensors or motion detectors over the last month is instant. On an SD card, this often freezes the dashboard.
  3. Reliability: SSDs are designed for the constant read/write cycles of a database; SD cards are not.

Adding Zigbee and Matter

Pair your Pi 5 with a SkyConnect or Sonoff Zigbee 3.0 Dongle. The Pi 5’s improved USB power delivery ensures these power-hungry radio dongles do not disconnect randomly, a common issue on older boards.

Project 3: Local AI and Object Detection

Artificial Intelligence is usually associated with massive cloud servers, but the Pi 5 brings “Edge AI” to your desk. There are two distinct directions for this project.

1. Network Video Recorder (Frigate)

Frigate is NVR software that uses AI to distinguish between a blowing leaf, a cat, and a person.

  • The Setup: Connect your IP cameras to the Pi 5 running Frigate.
  • The Boost: While the Pi 5 CPU is strong, you should buy the official Raspberry Pi AI Kit. This bundles a Hailo-8L AI accelerator on an M.2 HAT. It provides 13 TOPS (trillions of operations per second) of inference power.
  • Result: You can analyze multiple camera streams in real-time, detecting people and cars instantly without bogging down the main CPU.

2. Large Language Models (LLMs)

You can run your own version of ChatGPT offline. Using software like Ollama, the Pi 5 can host “small” language models.

  • Models to Try: Look for Phi-3 (by Microsoft) or Llama-3-8B (Quantized).
  • Performance: Do not expect instant answers. You might get 2 to 4 tokens (words) per second. It is slow compared to the cloud, but it is private, free, and runs entirely on your desk.

Project 4: 4K Media Server (Jellyfin or Plex)

The Raspberry Pi 5 makes for a compact, energy-efficient NAS (Network Attached Storage) and media server.

Storage Management

Thanks to the USB 3.0 ports having high bandwidth, you can connect a multi-bay USB hard drive enclosure (like those from TerraMaster or Yottamaster). Combine this with OpenMediaVault (OMV) software to manage the drives.

Transcoding Power

If you use Jellyfin or Plex, the server sometimes needs to convert video files on the fly so they play on your phone or TV. The Pi 5 supports HEVC (H.265) decoding natively. While it won’t handle multiple 4K streams simultaneously like a dedicated Intel PC, it can easily Direct Play 4K content to a modern TV and transcode 1080p content for remote viewing without buffering.

Project 5: A Usable Desktop Computer

This is the first Raspberry Pi that genuinely feels like a desktop PC. If you need a secondary computer for kids or a dedicated coding machine, this is it.

  • Operating System: Raspberry Pi OS (Bookworm 64-bit).
  • Browsing: YouTube plays at 1080p60 or 4K30 without dropped frames. Sites like Google Docs or heavily scripted news sites load quickly.
  • Dual Monitors: The Pi 5 supports dual 4K displays at 60Hz.
  • Coding: VS Code (Visual Studio Code) runs smoothly. You can run Docker containers in the background for development work without the interface lagging.

Frequently Asked Questions

Does the Raspberry Pi 5 need active cooling? Yes. Unlike the Pi 3 or 4 which could get away with passive heatsinks, the Pi 5 draws significantly more power. Without the official Active Cooler or a case with a built-in fan (like the Argon ONE), the CPU will throttle (slow down) within minutes of a heavy load.

Can I use my old Raspberry Pi 4 power supply? You can, but the Pi 5 will limit the power to the USB ports. To utilize high-power peripherals like hard drives or SSDs, you must use the new 27W USB-C PD power supply.

Is the PCIe port proprietary? The connector on the board is a specialized FPC (Flexible Printed Circuit) connector, not a standard slot. You need an adapter board (HAT) to plug in standard M.2 NVMe SSDs.

What is the “Power Button” feature? The Pi 5 includes a physical power button on the board. You can press it to turn the device on or soft-shutdown the OS. You no longer need to physically unplug the USB-C cable to reboot the system.