USB Teensy 2.0 AVR Development Board Chip Model ATMEGA32U4 Expandable Learning Experimental Board
$22.19
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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 $22.19 CAD, the USB Teensy 2.0 AVR Development Board Chip Model ATMEGA32U4 Expandable Learning Experimental Board packs respectable specs: Processor: ATmega2560 16MHz, Flash: 256KB, RAM: 8KB 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.
For the price point, the USB Teensy 2.0 AVR Development Board Chip Model ATMEGA32U4 Expandable Learning Experimental Board delivers what you need without unnecessary complexity. Recommended for hobbyists and engineers working on projects where microcontrollers & dev boards components are essential.
What We Like
- Hardware watchdog timer prevents firmware lockups
- Built-in USB for easy programming without external programmer
- Extensive community support and online tutorials
- Flash storage sufficient for complex applications
Watch Out For
- ADC accuracy is limited without external reference or calibration
- Pin labels on the board are tiny and hard to read
- WiFi and Bluetooth antenna is PCB trace only — limited range
Specifications
| Processor | ATmega2560 16MHz |
| Flash | 256KB |
| RAM | 8KB SRAM |
| GPIO Pins | 54 digital + 16 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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