Actual size is 1.4 by 0.7 inch
The Teensy USB Development Board is a complete USB-based microcontoller development system.
Version 3.2 features a 32 bit ARM processor.
Teensy 3.2 is a direct, 100% compatible replacement for Teensy 3.1. It is fully compatible with all shields and add-on boards made for Teensy 3.1, including the Audio Board and OctoWS2811 Adaptor.
All Teensy boards are shipped assembled and fully tested.