Teensy 4.1 USB Development Board with pins

Key Features: Designed to bring all general purpose I/O pins to breadboard friendly pads on the outside edges Ethernet Option Can be programmed using the Arduino IDE with Teensyduino add-on NXP iMXRT1062 chip, the fastest microcontroller available today Comes with pins Teensy 4.1 features the fastest micocontroller 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.Item SpecificsSize: 2.4" x 0.7"ARM Cortex-M7 processor at 600 MHzTo use the Ethernet port, a magjack and capacitor need to be connectedRecommended Accessories (not included): USB Cable, 8MB PSRAM, USB Host Cable, Ethernet Kit