Teensy 3.5
Best high-performance microcontroller for advanced embedded electronics projects.
The Teensy 3.5 is a powerful 32-bit USB development board featuring an ARM Cortex-M4 processor with a floating-point unit, running at 120 MHz. This version 3.5 board is designed for comprehensive microcontroller development. It boasts 5-volt tolerant digital pins, offering flexibility in project design. All Teensy boards are shipped fully assembled and tested, ready for immediate integration into your projects. Its compact size makes it suitable for a wide range of embedded applications.
$39.66
Owner Satisfaction
4.6
/ 5
Category Rank
80
/ 2015
#80 in Electronics
Price vs Category Average
-85%
Below average
Processor
321204
/ bit MHz ARM Cortex-M processor with floating point unit
Who it's for
- Engineers building complex robotics or real-time audio projects
- Makers needing extensive connectivity for multiple sensors and actuators
- Developers preferring the familiar Arduino workflow for advanced hardware
Who should skip it
- Hobbyists working with strict, low-cost project budgets
- Creators requiring seamless out-of-the-box wireless connectivity
- Novices intimidated by manual soldering and extra software configuration
Performance breakdown
Processing Power
The 120 MHz Cortex-M4 handles complex calculations with impressive speed.
Hardware Compatibility
Five-volt tolerant pins simplify integration with a wide range of components.
Build Quality
Fully assembled and tested boards ensure reliable performance right out of box.
Form Factor
Compact dimensions allow for seamless fitting into tight, space-constrained project enclosures.
Development Versatility
Robust USB-based system supports diverse applications from hobbyist to professional levels.
Floating Point Performance
Integrated FPU accelerates math-heavy tasks for demanding embedded control applications.
Key Specs
Processor
32 bit 120 MHz ARM Cortex-M4 processor with floating point unit
Dimensions
2.4" x 0.7"
Digital Pins
5 volt tolerant
Type
USB Development Board
Version
3.5
Features
- Complete USB-based microcontroller development system
- 32-bit ARM Cortex-M4 processor with FPU
- All digital pins are 5 volt tolerant
- Shipped assembled and fully tested
What customers say
Customers consistently praise the Teensy 3.5 for its robust performance and straightforward integration into projects. Many highlight its reliability and the extensive community support available, making complex tasks more accessible. Its compact design combined with powerful capabilities offers significant advantages for hobbyists and professionals alike, solidifying its reputation as a dependable choice. Users appreciate how easily it fits into various applications, often exceeding expectations for a board of its size.
Know before you buy
The Cortex-M4 includes a floating-point unit, which allows the board to handle complex mathematical calculations much faster than standard microcontrollers. This makes it ideal for signal processing, robotics, and data-intensive projects.
Yes, all digital pins on the Teensy 3.5 are 5-volt tolerant. This allows you to interface directly with many common 5V components without needing additional level-shifting circuitry.
No, the board arrives fully assembled and tested. It is ready to be programmed and integrated into your project as soon as you take it out of the box.
Measuring 2.4" x 0.7", the Teensy 3.5 is exceptionally compact. Its small form factor is specifically designed for embedded applications where space is limited, such as wearable electronics or tight enclosures.
While it is a powerful tool for advanced users, it is also accessible for beginners who are comfortable with basic microcontroller programming. Its robust USB-based development system makes it straightforward to set up and start coding.
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$40