Teensy 4.1 with Soldered Headers

The Teensy 4.1 is the upgraded version of the Teensy 4.0. This version has more Flash memory, a micro-SD card connection, more available IO pins and the possibility to make an Ethernet connection (see the link with more information at the bottom of this page).
This Teensy is also suitable for use with Arduino with Teensyduino.
Do you prefer to use the hex file directly? Then use the Teensy Loader Application.

Specifications:

• 600MHz NXP iMXRT1062 Cortex-M7 microcontroller
• 8MB Flash Memory
• 1024kB RAM Memory
• EEPROM emulation via flash memory
• Built-in micro SD card slot
• Possibility of 10/100Mbit Ethernet connection (DP83825 ethernet chip)
• 55 Digital Pins (3.3V, all with interrupt)
• 18 Analog input pins (2 ADCs in the chip)
• 35 PWM pins
• 1 Analog output with 12-bit resolution
• 1x Micro- USB connection
• 7x Serial (RX/TX) connection
• 3x SPI connection
• 3x I2C connection
• 3x CAN Bus connection (1x CAN FD)
• 2x I2S Audio connection
• 1x S/PDIF Digital audio connection
• 2x USB port (up to 480Mbit/s)
• 1x SDIO (4 bit) native SD
• 32 DMA channels
• Cryptographic acceleration
• Random number generator
• RTC for date/time
• Programmable FlexIO
• Pixel Processing Pipeline
• Power On/Off management
• Check the pictures for the pinout

For more information see: Teensy 4.1 Development Board