Teensy 2.0++ USB AVR Development Board ISP U Disk Keyboard Mouse Experimental Board AT90USB1286 for Arduino
$51.41
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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
For $51.41 CAD, the Teensy 2.0++ USB AVR Development Board ISP U Disk Keyboard Mouse Experimental Board AT90USB1286 for Arduino packs respectable specs: Processor: ATmega328P 16MHz, Flash: 32KB, RAM: 2KB SRAM. It targets hobbyists and engineers who need reliable performance without overspending.
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.
The Teensy 2.0++ USB AVR Development Board ISP U Disk Keyboard Mouse Experimental Board AT90USB1286 for Arduino earns its place in the parts bin. Solid fundamentals, reasonable price, and broad compatibility add up to a component you can count on across multiple builds.
What We Like
- Arduino IDE and PlatformIO compatibility
- Active open-source ecosystem with thousands of libraries
- Extensive community support and online tutorials
- Hardware watchdog timer prevents firmware lockups
Watch Out For
- No onboard battery charging circuit
- Pin labels on the board are tiny and hard to read
- WiFi and Bluetooth antenna is PCB trace only — limited range
Specifications
| Processor | ATmega328P 16MHz |
| Flash | 32KB |
| RAM | 2KB SRAM |
| GPIO Pins | 14 digital + 6 analog |
| USB | Micro-USB |
| Operating Voltage | 5V (7-12V input) |
| PWM Channels | 6 |
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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