Check out the Teensy USB Development Board at URL https://www.pjrc.com
Teensy 3.2 features a 32 bit ARM processor. Actual size is 1.4 in. X 0.7 in.
![](https://bradbrown.net/wp/wp-content/uploads/2019/02/teensy32.jpg)
Check out the Teensy USB Development Board at URL https://www.pjrc.com
Teensy 3.2 features a 32 bit ARM processor. Actual size is 1.4 in. X 0.7 in.