Update, March 14, 2023: Good news, we have plenty of Teensy 4.1 in stockĪnd in our production queue.
Lockable Teensy USB Board, Version 4.1, Without Ethernet Chip See Code Security for Lockable Teensy details. Lockable Teensy USB Board, Version 4.1, With Ethernet Chipįor commercial products and secure applications, Teensy USB Board, Version 4.1, Without Ethernet Chip Teensy USB Board, Version 4.1, With Ethernet Chipįor prototypes, experimentation, and learning