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Showing posts from May, 2019

Coral USB Accelerator first impression.

Google has released its edge AI devices notably the Coral Dev Board and the USB Accelerator recently and I managed to buy the USB accelerator from Seeed Studio before it was sold out. I find that there is a bit of irony that China is listed as one of the countries that have restricted export but my Accelerator was shipped out of Shenzhen and luckily I do not stay in one of the countries listed that has export restrictions.

This is really a tiny piece of device. It is has a silver heat sink wrapped with rubbery plastic and comes with a USB 3.0 USB-C interface. I cannot imagine that this edge TPU only consumed about 2.5W but packed enough computation power to perform object detection and image classification in real-time. I decided to do my initial test on a Linux desktop that has USB 3 supports instead of Raspberry Pi in order to make sure that the USB port is not the bottleneck.

Installation was brisk, I have followed the Get Started Guide and I managed to get the demo app up and runn…