A
Anonymous
Apr 04, 2026
Rating: 5/5
Best beginner board
Easy to program and very affordable. Support documentation is clear and helpful.
Description
Seeeduino XIAO Cortex M0+ SAMD21G18 Arduino Development Board Microcontroller
Reviews
Attributes
| Brand | - |
| Category | Electronic Components / Maker DIY / Development Boards & Control Boards |
| Origin | - |
| Microcontroller | SAMD21G18 |
| CPU Architecture | ARM Cortex-M0+ |
| Operating Voltage | 3.3V |
| Digital I/O Pins | 11 |
| PWM Pins | 12 |
| Analog Input Channels | 11 |
| Flash Memory | 256 KB |
| SRAM | 32 KB |
| Clock Speed | 48 MHz |
| Interface | USB Type-C |
5 reviews
A
Anonymous
Mar 17, 2026
Rating: 5/5
Great Arduino alternative
Works seamlessly with Arduino IDE. USB-C is a huge plus for modern setups and cable availability.
A
Anonymous
Mar 08, 2026
Rating: 5/5
Low power consumption
Battery life is excellent for my sensor node. Highly recommend for IoT applications.
A
Anonymous
Mar 05, 2026
Rating: 4/5
Good value, minor learning curve
Powerful board but pin spacing is tight for breadboards without soldering headers first.
A
Anonymous
Feb 17, 2026
Rating: 5/5
Perfect for wearable projects
The size is incredibly small yet powerful. Fits perfectly in my smart watch project without adding bulk.
5 FAQ
Q: Can I use it for Bluetooth projects?
A: Not directly, this model lacks wireless. You need the XIAO BLE version for Bluetooth.
Q: Can I power this with a 5V source?
A: Yes, the VIN pin accepts 5V, but please note the logic level is 3.3V.
Q: Does it have built-in battery charging?
A: No, this specific model does not have built-in LiPo charging circuitry.
Q: Is this compatible with Arduino IDE?
A: Yes, it is fully compatible. You need to install the Seeeduino board package within the IDE.
Q: What are the exact dimensions?
A: The board measures approximately 20mm x 17.5mm.
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