TEENSY41 Teensy 4.1 Development Board

  • Mã sản phẩm: TEENSY41 Teensy 4.1
  • Nhà sản xuất: Teensy
  • Website hỗ trợ: https://www.proe.vn

Teensy 4.1 features the fastest micocontroller and an expanded set of powerful peripherals in a 2.4 by 0.7 inch form factor.

Teensy 4.1 can be programmed using the Arduino IDE with Teensyduino add-on.


Technical Specifications Compared to Teensy 4.0

Teensy 4.1 & 4.0 use the same IMXRT1062, so most technical specifications are the same.

Please refer to the Teensy 4.0 page for common specifications and features.


Feature Teensy 4.1 Teensy 4.0
Ethernet 10 / 100 Mbit
DP83825 PHY
(6 pins)
USB Host 5 Pins with
power management
2 SMT Pads
SDIO (4 bit data) Micro SD Socket 8 SMT Pads
PWM Pins 35 31
Analog Inputs 18 14
Serial Ports 8 7
Flash Memory 8 Mbyte 2 Mbyte
QSPI Memory 2 chips
Plus Program Memory
Program memory only
Breadboard Friendly I/O 42 24
Bottom SMT Pad Signals 7 16
SD Card Signals 6 0
Total I/O Pins 55 40



Teensy 4.1 is designed to bring all general purpose I/O pins to breadboard friendly pads on the outside edges.


To use the Ethernet port, a magjack and capacitor need to be connected.

This is currently available only as a DIY project using this OSH Park Shared Circuit Board. PJRC is planning to offer this as a DIY kit in the near future. You can also make the connection by soldering wires.

These parts are recommended to build the Ethenet connection.


1   Ethernet Magjack            RB1-125BAG1A, Mouser 950-RB1-125BAG1A, Digikey 1278-1011-ND
2   Header, 3x2, 2mm pitch      Digikey 1849-1000-ND
2   Socket, 3x2, 2mm pitch      Amphenol FCI 89361-706LF, Digikey 609-3139-ND
1   Ribbon Cable, 3 to 6 inch   Digikey HF06S-5-ND
1   Capacitor, 0.1uF, 805
1   Capacitor, 1uF, 805         probably not needed
1   Capacitor, 1nF, 805         optional, should be high voltage rated if used
1   Resistor, 1M                optional
1   Circuit Board               OSH Park Shared PCB

Memory Expansion

Basic memory layout is documented on the Teensy 4.0 page.

The bottom side of Teensy 4.1 has locations to solder 2 memory chips. 

The smaller location is meant for a PSRAM chip. The larger location is intended for flash memory.


USB Host

Teensy 4.1's USB Host port allow you to connect USB devices, like keyboards and MIDI musical instruments. A 5 pin header and a USB Host cable are needed to be able to plug in a USB device.


USB hubs may be used if more than 1 device is needed. See the USBHost_t36 examples for details.




Technical Information



Component Locations

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