Teensy 4.1 features the fastest microcontroller and an expanded set of powerful peripherals in a 2.4 by 0.7 inch form factor. It's designed to bring all general purpose I/O pins to breadboard friendly pads on the outside edges. Additionally, the bottom side of Teensy 4.1 has locations to solder 2 memory chips. This board is lockable for secure development.

Item Specifics
Size: 2.4" x 0.7"
ARM Cortex-M7 processor at 600 MHz
Recommended Accessories (not included): USB Cable, Pins 24x1 (2), 8MB PSRAM, USB Host Cable

Note: This board cannot be used with ethernet capabilities. Due to microchip shortages, the ethernet chip has been removed from this board.

Designed to bring all general purpose I/O pins to breadboard friendly pads on the outside edges
This board DOES NOT feature the Ethernet option, the ethernet chip has been removed from this board.
Can be programmed using the Arduino IDE with Teensyduino add-on
NXP iMXRT1062 chip, the fastest microcontroller available today
Lockable for secure development