Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller | SAMD21G18 ARM Cortex-M0+ |
| Operating Voltage | 3.3V |
| Digital I/O Pins | 11 (PWM capable) |
| Analog Input Pins | 11 (12-bit ADC) |
| Flash Memory | 256 KB |
| SRAM | 32 KB |
| Clock Speed | 48 MHz |
| Dimensions | 20 x 17.5 mm |
| Weight | 2.5 g |
| USB Interface | USB Type-C |
Anonymous
Mar 31, 2026
Rating: 5/5
Reliable and fast
Compilation and upload speeds are very fast. I have used several different boards in this series, and the build quality remains consistent and reliable.
Anonymous
Mar 30, 2026
Rating: 5/5
Great for beginners
I bought this for my university embedded systems course. It works seamlessly with the Arduino IDE and the documentation is very clear. Highly recommended for students.
Anonymous
Mar 29, 2026
Rating: 5/5
Exceeded expectations
I needed a low-power controller for a sensor node, and this board delivers. The sleep modes work great, and the battery life on my project has improved significantly.
Anonymous
Mar 17, 2026
Rating: 4/5
Powerful but small pins
Performance is excellent for the price point. My only complaint is that the pins are so close together that soldering headers requires a steady hand and good equipment.
Anonymous
Mar 11, 2026
Rating: 4/5
Good value
For the price, you get a lot of processing power. It handles complex logic well. Just make sure you buy the expansion shield if you aren't comfortable with surface mount soldering.
Anonymous
Mar 01, 2026
Rating: 5/5
Perfect for wearable projects
The tiny form factor of the Seeeduino XIAO is incredible. It fits perfectly into my smartwatch prototype without adding bulk. The USB-C connection is a nice modern touch.
Q: Is this board compatible with MicroPython?
A: Yes, the Seeeduino XIAO supports MicroPython, CircuitPython, and the standard Arduino IDE.
Q: Is there a reset button on the board?
A: Yes, there is a dedicated reset button located next to the USB-C port for easy rebooting during development.
Q: Does it come with headers pre-soldered?
A: No, the board is typically sold without headers to keep the profile low. You will need to solder them yourself or purchase an expansion board.
Q: What is the maximum current output per GPIO pin?
A: Each GPIO pin can source or sink up to 7mA safely. Please refer to the datasheet for total current limits across all pins.
Q: Can I power this board with a 5V supply?
A: The board has a built-in LDO regulator. You can feed 5V into the 5V pin, but the logic level operates at 3.3V.
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