Teensy 4.1 Development Board

Product Description The Teensy 4.1 Development Board is a high-performance microcontroller board powered by the NXP i.MX RT1062 ARM Cortex-M7 processor running at 600 MHz. With abundant memory, extensive I/O pins, USB host/device support, and high-speed peripherals, it is ideal for robotics, audio processing, real-time control, and IoT edge computing applications. Equipped with a native microSD card interface, Ethernet support, and dozens of digital and analog pins, the Teensy 4.1 makes complex projects easier to build and deploy. �� At PowerMark Solution, we provide genuine Teensy 4.1 boards, tested for reliability and performance, so your embedded projects run smoothly. Features 600 MHz ARM Cortex-M7 processor (i.MX RT1062) 1 MB on-chip RAM (including 512 KB tightly coupled memory) 8 MB onboard external flash memory USB device and USB host capability 10/100 Mbps Ethernet support via PHY pins Native microSD card slot (SDIO, 4-bit) for file storage and logging ~55 total I/O pins, ~42 usable on a breadboard Multiple serial interfaces: UART, SPI, I²C, CAN (with CAN FD), I²S/TDM audio Many PWM outputs and ADC analog input channels Expansion pads on the bottom for additional memory or hardware Applications Audio processing and synthesizers Robotics controllers and precision motion systems Real-time DSP (Digital Signal Processing) projects IoT gateways and edge computing devices Data logging with microSD and Ethernet networking Home automation and industrial control systems Educational use for advanced embedded development Technical Specifications Specification Details Processor ARM Cortex-M7 @ 600 MHz RAM 1 MB internal RAM (512 KB tightly coupled) External Flash 8 MB onboard I/O Pins ~55 signal pins, ~42 breadboard accessible Analog Inputs Multiple ADC channels PWM Outputs ~35 pins Communication Interfaces UART, SPI, I²C, CAN (CAN FD), I²S/TDM audio USB Support USB Device USB Host Ethernet Support 10/100 Mbps via PHY pins SD Card Interface Native microSD SDIO slot Logic Level 3.3 V Supply Voltage 5 V via USB or VIN (regulated) Package Includes 1 × Teensy 4.1 Development Board Documentation / Quick-start guide Documentation Works with Arduino IDE Teensyduino add-on Libraries available for audio, SD card, Ethernet, CAN, PWM, and more Pinout diagrams with labeled digital, analog, power, and ground pins Guidance on voltage usage and power management FAQs Q1: What clock speed does Teensy 4.1 run at?A: 600 MHz with the ARM Cortex-M7 core. Q2: How much memory is available?A: 1 MB internal RAM and 8 MB external flash. Q3: How many I/O pins does it have?A: About 55 total pins, 42 usable on a breadboard. Q4: Does it have a microSD slot?A: Yes, with a native SDIO interface. Q5: Can it support Ethernet?A: Yes, via the built-in Ethernet PHY pins. Q6: What logic voltage does it use?A: 3.3 V logic (do not apply 5 V directly to I/O). Q7: Is USB host mode supported?A: Yes, both USB device and USB host. Q8: Is it good for audio projects?A: Yes, it supports I²S/TDM audio interfaces and high-speed DSP. Q9: What’s the difference from Teensy 4.0?A: More flash, more I/O, microSD slot, Ethernet support, and USB host. Q10: Is it suitable for students?A: Yes, it’s widely used in advanced embedded courses and labs.