Coral USB Accelerator - Edge TPU Coprocessor
Internal Reference:
CORAL.USB.ACCELERATOR
Google Coral USB Accelerator (Model: WA1)
Brief Introduction
The Google Coral USB Accelerator is a plug-and-play USB accessory that brings high-speed Machine Learning (ML) inferencing to existing systems. Equipped with an on-board Edge TPU coprocessor (a small ASIC designed by Google), this hardware accelerator allows low-power, edge AI applications to perform local, real-time data processing without relying on a cloud connection. It is the perfect hardware addition for developers looking to scale up AI capabilities on compact hosts like the Raspberry Pi, mini-PCs, or laptops.
Key Features
- High-Speed ML Inferencing: Accelerates machine learning computations locally, significantly boosting processing speeds compared to traditional embedded CPUs.
- Low Power Consumption: Engineered to provide massive processing capabilities on edge environments while drawing minimal power.
- Broad Platform Compatibility: Effortlessly connects via a standard USB port to host systems running Linux Debian (including Raspberry Pi OS), macOS, or Windows 10/11.
- Optimized for TensorFlow Lite: No need to design models from scratch; standard TensorFlow Lite models can easily be compiled and optimized to run directly on the Edge TPU.
- Enhanced Local Privacy & Low Latency: By executing data processing completely on-device, it eliminates latency issues, saves bandwidth, and keeps sensitive data safe and private.
Technical Specifications
| Feature / Component | Specification |
| Brand / Developer | Google LLC |
| Product Name | Coral USB Accelerator |
| Model Number | WA1 |
| ML Accelerator | Google Edge TPU Coprocessor (ASIC) |
| Performance Capacity | 4 TOPS (Trillion Operations Per Second) at 8-bit fixed-point math |
| Power Efficiency | 2 TOPS per Watt (0.5 Watts per TOPS) |
| Host Connector | USB 3.0 Type-C (Supports Data & Power) |
| Cable Included | USB Type-C to Type-A (300mm ± 20mm length) |
| Supported Software / APIs | TensorFlow Lite, PyCoral API (Python), Libcoral API (C++) |
| Host System Requirements | • Linux: Debian 6.0 or higher (e.g., Ubuntu 10.0+), x86-64 or ARM32/64 • macOS: 10.15 (with Homebrew/MacPorts) • Windows: Windows 10 / 11 • Python 3.5 to 3.7+ (compatible with newer runtime updates) |
| Dimensions | 65 mm x 30 mm |
| On-Board Indicator | Integrated Status LED (Solid: Initialized / Breathing: Actively Inferencing) |