No free pin unfortunately , the pins exposed are in fact the 5 joystick inputs +2 user buttons on header pins + ground. If you don't connect the display, you can use like 5 extra including SPI and 3.3v. Yeah, forgive me...
The T-COMPUTER is an attempt to create a complete micro computer around the Teensy MCU.
It is based on the Teensy 4.1 (my favorite MCU so far!)
See the details of the project below.
...
The T-COMPUTER is an attempt to create a complete micro computer around the Teensy MCU.
It is based on the Teensy 4.1 (my favorite MCU so far!)
See the details of the project below.
...
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