Teensy 4.0 Minimalist USB Host Shield - Parts Not Included
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Teensy 4.0 Minimalist USB Host Shield - Parts Not Included
USB Interface
![STM32F105RBT6 - USB Host - ARM M3 [4808] : Sunrom Electronics](https://www.sunrom.com/media/product/1097.jpg "STM32F105RBT6 - USB Host - ARM M3 [4808] : Sunrom Electronics")