PJRC Teensy 4.1 Development Board
Best high-performance choice for advanced embedded systems and data-intensive projects.
The PJRC Teensy 4.1 is a high-performance development board engineered for complex projects. It boasts an NXP iMXRT1062 processor running at 600 MHz, offering microcomputer-level power within a microcontroller form factor. With significantly increased flash memory compared to its predecessor and options for expanded RAM, this board is well-suited for data-intensive applications. Its compact design integrates 100Mbps Ethernet, a USB host port, and an SD card socket, making it a versatile choice for advanced embedded systems.
$48.09
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Owner Satisfaction
4.7
/ 5
Category Rank
15
/ 1541
#15 in Development Boards
Price vs Category Average
-45%
Below average
Processor
10627600
/ NXP iMXRT (ARM Cortex-M, MHz)
Who it's for
- Engineers needing high-speed processing for demanding real-time applications
- Developers building advanced networking or data-intensive logging projects
- Makers leveraging existing Arduino libraries on high-performance hardware
Who should skip it
- Hobbyists working primarily with legacy 5V sensors and components
- Budget-conscious students or developers managing large-scale deployments
- Designers creating compact, battery-powered devices with limited thermal headroom
Performance breakdown
Processing Power
The 600 MHz clock speed handles complex computations with ease.
Connectivity Versatility
Integrated Ethernet and USB host ports offer exceptional project flexibility.
Memory Capacity
Massive flash and RAM options support data-heavy embedded applications.
Form Factor Efficiency
High-density performance packed into a remarkably compact, manageable footprint.
Development Ecosystem
Seamless Arduino IDE integration makes advanced programming accessible and efficient.
I/O Expandability
Abundant digital and analog pins accommodate complex sensor and actuator arrays.
Key Specs
Processor
NXP iMXRT1062 (ARM Cortex-M7, 600 MHz)
RAM
1024KB
Flash Memory
2048MB
Digital I/O Pins
40
PWM Channels
31
Analog Inputs
14
Connectivity
100Mbps Ethernet, 2 USB ports, 3 CAN Bus
Operating Voltage
3.3V
Features
- Powerful 600 MHz ARM Cortex-M7 processor
- Ample RAM and expandable flash memory
- Integrated 100Mbps Ethernet connectivity
- Dedicated USB Host port
- SD card socket for expanded storage
- Dynamic clock scaling for precision
- Power management with RTC backup
- Compact form factor for easy integration
What customers say
The Teensy 4.1 development board earns high praise for its phenomenal performance, driven by the 600MHz ARM Cortex-M7 processor. Users find it a game changer for projects needing high-speed data processing and complex real-time control, like advanced audio or robotics. The generous onboard memory and integrated peripherals, including Ethernet and an SD card slot, streamline project design by reducing the need for extra shields. Its seamless integration with the familiar Arduino IDE via Teensyduino is a significant advantage. While utilizing all advanced features requires a steeper learning curve, the community agrees this trade-off is worthwhile for the immense power and reliability delivered by this exceptional piece of engineering.
Know before you buy
Yes, the Teensy 4.1 is fully compatible with the Arduino IDE using the Teensyduino add-on. This allows you to leverage existing Arduino libraries while taking advantage of the board's significantly higher processing power.
The 600 MHz ARM Cortex-M7 processor is ideal for data-intensive tasks that require real-time processing, such as digital signal processing, complex audio synthesis, high-speed data logging, or driving high-resolution displays.
No, the board does not have integrated Wi-Fi or Bluetooth. However, it features a 100Mbps Ethernet port and multiple communication interfaces, allowing you to add wireless modules via SPI, I2C, or UART if needed.
The board includes an onboard microSD card socket, which is the primary method for handling large files or extensive data logging. Additionally, the board supports expandable flash memory if your project requires more permanent storage than the onboard capacity provides.
The Teensy 4.1 operates at 3.3V, and its I/O pins are not 5V tolerant. You will need to use a logic level shifter if you intend to interface the board with 5V sensors or peripherals to avoid damaging the processor.
The board is typically powered via the USB port. Because of its high-performance processor, ensure your power source can provide a stable 3.3V and sufficient current, especially if you are connecting multiple peripherals or power-hungry sensors.
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