Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Processor | ESP32-C3 RISC-V 32-bit MCU |
| Connectivity | Wi-Fi 802.11 b/g/n, Bluetooth 5 (LE) |
| AI Capability | Supports offline voice recognition and dialogue |
| Display | 1.54 inch IPS LCD Screen (240x240) |
| Audio | Built-in microphone and 1W speaker |
| Power Supply | USB Type-C, 5V DC |
| Battery | Integrated 600mAh Li-po battery |
| Programming Interface | Compatible with Arduino IDE, ESP-IDF, MicroPython |
| Dimensions | 65mm x 65mm x 22mm |
| Weight | 45 grams |
Anonymous
Mar 28, 2026
Rating: 4/5
Fun toy, easy to start
Never used an ESP32 before, but this kit made it easy. The pre-loaded demo where you talk to the box is really fun. Battery life lasts about 4 hours with continuous use.
Anonymous
Mar 18, 2026
Rating: 5/5
Best value in its category
Compared to other development boards with screens and audio, this offers the best value. The build quality feels premium, and the Type-C charging is a nice modern touch.
Anonymous
Mar 10, 2026
Rating: 4/5
Great learning tool, minor docs issues
Bought this for my son to learn about IoT and AI. The hardware is solid and the screen is bright. The only downside is that some of the advanced documentation is a bit sparse, but the community forums helped us out.
Anonymous
Mar 09, 2026
Rating: 5/5
Compact and Powerful
I was surprised by how much processing power is packed into this tiny box. The voice response latency is very low. It's now the brain of my custom home automation controller.
Anonymous
Mar 05, 2026
Rating: 5/5
Excellent ESP32-C3 Implementation
As a professional developer, I appreciate the clean pinout and the stability of the Wi-Fi connection. The 'Brother Xia' integration works smoothly for quick prototyping of human-machine interaction concepts.
Anonymous
Mar 04, 2026
Rating: 5/5
Perfect for AI Voice Projects
This board is incredible for the price. Setting up the offline voice dialogue was straightforward using the provided libraries. The microphone sensitivity is good, and the speaker is clear enough for a small enclosure.
Q: Does this board support Python programming?
A: Yes, the Core Box is fully compatible with MicroPython, allowing you to write scripts directly on the device.
Q: What is the maximum voltage for the GPIO pins?
A: The GPIO pins operate at 3.3V logic level. Please do not connect 5V signals directly to avoid damaging the board.
Q: How long does it take to fully charge the battery?
A: Using a standard 5V/1A USB charger, the internal 600mAh battery typically takes about 1.5 to 2 hours to reach full capacity.
Q: Is the source code for the demo open?
A: Yes, the project is open-source. You can find the repository link in the user manual or on our official GitHub page.
Q: Can I use this without an internet connection?
A: Absolutely. The board features offline voice recognition capabilities, so basic human-machine dialogue functions work without Wi-Fi.
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