Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller | ESP32-C3FH4 |
| CPU Architecture | 32-bit RISC-V Single-Core |
| Clock Speed | 160 MHz |
| Flash Memory | 4 MB |
| SRAM | 400 KB |
| Wireless Connectivity | Wi-Fi 4 (802.11 b/g/n) and Bluetooth 5 (LE) |
| GPIO Pins | 22 Programmable GPIOs |
| Interface | USB Type-C with CP2102N Chip |
| Operating Voltage | 3.3V |
| Dimensions | 25mm x 18mm x 3mm |
Anonymous
Mar 29, 2026
Rating: 5/5
Perfect size for wearable projects
The SuperMini form factor is exactly what I needed for my smartwatch prototype. The USB-C connection makes flashing code incredibly easy without needing an external programmer. Wi-Fi connectivity is stable and the RISC-V architecture handles my IoT tasks smoothly.
Anonymous
Mar 19, 2026
Rating: 5/5
Beginner friendly
As someone new to embedded systems, this board was very easy to get started with. The community support for ESP32-C3 is growing fast. I had my first LED blinking within 10 minutes of unboxing. The build quality feels solid despite the tiny size.
Anonymous
Mar 18, 2026
Rating: 4/5
Great board, minor documentation gaps
Hardware quality is excellent and the pinout is well labeled. It works flawlessly with the Arduino IDE and ESP-IDF. Only giving 4 stars because the specific pin mapping for some peripherals took a bit of digging to find in the docs, but once set up, it runs great.
Anonymous
Mar 11, 2026
Rating: 4/5
Solid performance for the price
Using these boards for a fleet of small educational robots. They handle motor control and wireless communication simultaneously without lagging. The only downside is that the pins are slightly close together for bulky jumper wires, but manageable with care.
Anonymous
Mar 04, 2026
Rating: 5/5
Reliable Bluetooth Low Energy performance
I purchased this specifically for a BLE sensor network. The signal strength is impressive for such a small board. Power consumption is low, which is critical for my battery-operated devices. Highly recommend for anyone moving from ESP8266 to something more modern.
Anonymous
Mar 03, 2026
Rating: 5/5
Excellent for Home Assistant integration
Flashed ESPHome onto this immediately and integrated it into my smart home setup. It discovers sensors quickly and maintains a stable connection to my router. The compact size allows me to hide it inside existing switch boxes easily.
Q: Can I power this board directly via the VIN pin?
A: Yes, you can supply 5V to the VIN pin, and the onboard regulator will step it down to 3.3V for the microcontroller. Alternatively, you can power it directly via the USB-C port.
Q: Does this board support 5GHz Wi-Fi networks?
A: No, the ESP32-C3 chip on this board only supports 2.4GHz Wi-Fi (802.11 b/g/n). It does not support 5GHz bands.
Q: Does this come with headers pre-soldered?
A: No, this SuperMini version usually ships without headers to keep the profile as low as possible for wearable applications. You will need to solder your own headers or use pogo pins depending on your project needs.
Q: Is this compatible with the standard Arduino IDE?
A: Absolutely. You just need to install the ESP32 board package by Espressif Systems in your Arduino IDE preferences, select the 'Xiao ESP32C3' or generic 'ESP32C3 Dev Module', and you are ready to upload code.
Q: How much current can a single GPIO pin source?
A: Each GPIO pin can typically source or sink up to 40mA. However, the total current for all ports combined should not exceed specific limits defined in the ESP32-C3 datasheet to avoid damaging the chip.
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