Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller | ESP32-C3 |
| Wireless Connectivity | 2.4 GHz Wi-Fi and Bluetooth 5 (LE) |
| CPU Architecture | 32-bit RISC-V Single-core |
| Flash Memory | 4 MB |
| Operating Voltage | 3.3V |
| Input Voltage | 5V via USB-C or VIN pin |
| GPIO Pins | 22 Programmable GPIOs |
| Interface | USB-to-UART, SPI, I2C, I2S |
| Dimensions | 50mm x 25mm x 12mm |
| Compatibility | Arduino IDE, ESP-IDF, MicroPython |
Anonymous
Mar 28, 2026
Rating: 4/5
Solid performance, gets warm under load
The board handles multiple connections well. I noticed it gets slightly warm when running Wi-Fi and Bluetooth simultaneously at high throughput, but nothing concerning. The form factor is compact and fits easily into custom enclosures.
Anonymous
Mar 26, 2026
Rating: 4/5
Great value, minor documentation gaps
The hardware quality is excellent for the price. The RISC-V core is fast and efficient. However, beginners might find the pinout diagram on the website slightly confusing compared to older ESP models. Still highly recommended.
Anonymous
Mar 24, 2026
Rating: 5/5
Best board for learning embedded systems
As a university student, this affordable board allowed me to complete my final year project on wireless sensor networks. It supports MicroPython which made development much faster.
Anonymous
Mar 23, 2026
Rating: 5/5
Perfect for IoT prototyping
This board works flawlessly out of the box. The USB-C connection makes powering and programming very convenient. I successfully uploaded a Wi-Fi scanner sketch using the Arduino IDE without any driver issues.
Anonymous
Mar 21, 2026
Rating: 5/5
Seamless migration from ESP8266
Upgrading my old projects to this C3 module was straightforward. The increased memory and security features are a huge plus. The build quality feels robust with nice soldering points.
Anonymous
Mar 20, 2026
Rating: 5/5
Reliable Bluetooth LE performance
I am using this for a smart home sensor project. The Bluetooth LE connectivity is stable and has a good range. The low power consumption modes are working exactly as specified in the datasheet.
Q: Is this compatible with the ESP-IDF framework?
A: Absolutely. This board is fully supported by the Espressif IoT Development Framework (ESP-IDF). You can select the 'ESP32-C3-DevKitC-1' or similar target configuration when setting up your project.
Q: Can I power this board directly with 3.3V?
A: It is recommended to power the board via the 5V USB-C port or the VIN pin. Supplying 3.3V directly to the VIN pin bypasses the regulator and can damage the board; use the 3.3V output pin only for powering external sensors.
Q: Does this board support external antennas?
A: No, this specific model comes with an onboard PCB antenna. However, there are variant models available with an IPEX connector for external antennas if your project requires it.
Q: What is the maximum current draw for the GPIO pins?
A: Each GPIO pin can source or sink up to 40mA. The total current drawn from all GPIOs combined should not exceed the limits specified in the ESP32-C3 datasheet to ensure stability.
Q: Is the CH343 driver required for Windows 11?
A: Yes, most Windows 11 systems will automatically recognize the chip, but if the device is not detected, you may need to install the latest CH343 VCP drivers from the manufacturer's website.
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