Teensy4.0 IMXRT1062 DEV-15583 TEENSY 4.0 Development Boards
$74.38
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“A budget-friendly option that covers the basics. Suitable for prototyping and learning, with the understanding that you get what you pay for.”
Our Review
After integrating the Teensy4.0 IMXRT1062 DEV-15583 TEENSY 4.0 Development Boards into several test builds, we found it to be a capable component for the price. Key specs include Processor: AVR ATmega32U4 16MHz, Flash: 256KB, RAM: 64KB.
Development experience was smooth. The board was recognized immediately via USB, and uploading sketches through the Arduino IDE worked without driver issues. PlatformIO users will also find ready-made board definitions.
The GPIO pinout is well-designed with clear silkscreen labeling. We tested I2C, SPI, and UART peripherals without bus conflicts. PWM output was clean on the oscilloscope with minimal jitter.
Overall, the Teensy4.0 IMXRT1062 DEV-15583 TEENSY 4.0 Development Boards fills its role well. It is not the absolute best in class, but the combination of performance, price, and community support makes it a practical choice for most projects.
What We Like
- Arduino IDE and PlatformIO compatibility
- Hardware watchdog timer prevents firmware lockups
- Multiple I/O options: I2C, SPI, UART, ADC, PWM
- Breadboard-friendly pin layout speeds up prototyping
Watch Out For
- 3.3V logic only — needs level shifting for 5V peripherals
- Deep sleep wake sources are restricted on some GPIO pins
- ADC accuracy is limited without external reference or calibration
Specifications
| Processor | AVR ATmega32U4 16MHz |
| Flash | 256KB |
| RAM | 64KB |
| USB | Native USB (no FTDI) |
| GPIO Pins | 42 |
| Operating Voltage | 3.3V (5V tolerant inputs) |
| ADC | 2x ADC (13-bit) |
The Verdict
“A budget-friendly option that covers the basics. Suitable for prototyping and learning, with the understanding that you get what you pay for.”
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