Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller | ESP32-S3, ESP32-C3, or ESP32-C6 (Model Dependent) |
| CPU Frequency | Up to 240 MHz |
| Flash Memory | 8 MB PSRAM |
| Wireless Connectivity | Wi-Fi 6 (802.11ax), Bluetooth 5 (LE) |
| Camera Interface | DVP interface for OV2640/OV5640 sensors |
| Onboard Sensors | 6-axis IMU (Accelerometer + Gyroscope), PDM Microphone |
| Form Factor | Seeed Studio XIAO (21mm x 17.5mm) |
| Programming Languages | Arduino IDE, MicroPython, CircuitPython, ESP-IDF |
| Battery Charging | Integrated Li-Po charging circuit with JST-PH connector |
| I/O Pins | 14 GPIOs including PWM, I2C, SPI, UART, ADC, DAC |
Anonymous
Mar 28, 2026
Rating: 4/5
Solid performance, runs hot under load
Running continuous video inference does make the chip get quite warm. I added a small heatsink which solved the issue. Performance-wise, it handles complex neural networks better than the older ESP32 models. The pinout is standard XIAO, making it easy to swap into existing designs.
Anonymous
Mar 23, 2026
Rating: 5/5
Easy to start with Arduino IDE
As someone new to embedded systems, I was worried about the setup. However, adding the board manager URL and installing the drivers was straightforward. The example codes for the camera and sensors got me up and running in under an hour.
Anonymous
Mar 20, 2026
Rating: 5/5
Ideal for student workshops
We bought a batch of these for our university lab. Students love the small size and the ability to do visual recognition without needing a Raspberry Pi. The durability has been great even with beginner handling. Excellent educational tool.
Anonymous
Mar 17, 2026
Rating: 5/5
Perfect for TinyML Projects
The XIAO ESP32S3 Sense is a powerhouse in a tiny package. I successfully deployed a person detection model using TensorFlow Lite for Microcontrollers. The camera quality is decent for the size, and the IMU works flawlessly. Highly recommended for edge AI enthusiasts.
Anonymous
Mar 16, 2026
Rating: 4/5
Great board, minor documentation gaps
Hardware is excellent and the build quality feels premium. Setting up the PDM microphone took a bit of digging through forums to get the right library, but once working, the audio capture is clear. The form factor fits perfectly into my wearable prototype.
Anonymous
Mar 02, 2026
Rating: 5/5
Best value for Wi-Fi + Camera
I've tried several ESP32 boards with cameras, and this is by far the most compact. The Wi-Fi 6 support ensures stable streaming to my local server. Battery charging works as expected, and the sleep modes are efficient for battery-powered applications.
Q: Is the microphone digital or analog?
A: The onboard microphone is a PDM (Pulse Density Modulation) digital microphone, which connects via specific GPIO pins dedicated to PDM data and clock.
Q: Does this board support external antennas for better range?
A: Yes, the XIAO ESP32S3/C3/C6 series features an IPEX connector for attaching an external Wi-Fi/Bluetooth antenna to improve signal range and stability.
Q: Which camera modules are compatible out of the box?
A: The board is designed to work seamlessly with the OV2640 and OV5640 camera modules, which often come bundled with the 'Sense' version of the board.
Q: Does it support Bluetooth Mesh networking?
A: Yes, all models in the XIAO ESP32 series (S3, C3, C6) support Bluetooth Low Energy (BLE) and are capable of running Bluetooth Mesh networks using the ESP-IDF or Arduino libraries.
Q: Can I power this directly via USB-C while charging a battery?
A: Yes, you can power the board via USB-C while simultaneously charging a connected Li-Po battery. The onboard power management IC handles the distribution safely.
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