Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller | ESP32-C3 SoC |
| Wireless Connectivity | 2.4 GHz Wi-Fi and Bluetooth 5 (LE) |
| CPU Architecture | 32-bit RISC-V single-core processor |
| Flash Memory | 4 MB SPI Flash |
| Operating Voltage | 3.3V |
| Input Voltage | 5V via USB-C or VIN pin |
| GPIO Pins | 22 programmable GPIOs |
| Interface | USB-to-UART bridge with USB-C connector |
| Dimensions | 56mm x 24mm x 12mm |
| Compatibility | Arduino IDE, ESP-IDF, MicroPython |
Anonymous
Mar 22, 2026
Rating: 5/5
Great upgrade from older ESP models
I've used many ESP boards, and the C3 is a fantastic evolution. The Bluetooth LE support is stable, and power consumption seems lower than my old ESP8266 projects. Highly recommended.
Anonymous
Mar 20, 2026
Rating: 5/5
Perfect for IoT Projects
This board works flawlessly right out of the box. The USB-C connection is a huge plus, and setting up the Wi-Fi was incredibly simple using the Arduino IDE. Great value for the price.
Anonymous
Mar 12, 2026
Rating: 4/5
Reliable for prototyping
We are using these for initial prototyping of industrial sensors. They handle the temperature variations in our lab well. Would prefer a mounting hole pattern, but otherwise great.
Anonymous
Mar 04, 2026
Rating: 5/5
Excellent range and stability
The antenna performance is surprisingly good for such a small board. I get strong signals even through two walls. The build quality feels premium compared to generic clones.
Anonymous
Mar 04, 2026
Rating: 4/5
Solid performance, minor documentation gaps
The hardware is excellent and the RISC-V architecture is fast. I deducted one star because the pinout diagram on the back could be clearer for beginners, but online resources fill the gap easily.
Anonymous
Mar 03, 2026
Rating: 5/5
Beginner friendly
As someone new to embedded systems, this board was easy to set up. The community support is vast, and I had my first LED blinking over Wi-Fi within an hour. Very satisfied.
Q: What is the maximum current draw per GPIO pin?
A: Each GPIO pin can source or sink up to 40mA. However, the total current for all ports combined should not exceed the chip's maximum rating to prevent damage. Please refer to the official datasheet for detailed electrical characteristics.
Q: Can I power this board directly with a 3.7V LiPo battery?
A: Yes, you can connect a 3.7V LiPo battery to the 3.3V pin if it is regulated, or use the VIN pin if your battery voltage is within the acceptable input range (typically up to 5V). However, for safety and stability, using a dedicated battery management module is recommended.
Q: Does it come with headers pre-soldered?
A: No, this board is typically shipped without pre-soldered headers to allow for flexible mounting options. You will need to solder your own male or female headers depending on your project needs.
Q: Is this compatible with the original ESP32 libraries in Arduino IDE?
A: Most libraries are compatible, but you must select the 'ESP32C3' board manager in the Arduino IDE. Some specific hardware peripherals differ from the dual-core ESP32, so code may require minor adjustments.
Q: Does this board support 5GHz Wi-Fi networks?
A: No, the ESP32-C3 chip specifically supports 2.4 GHz Wi-Fi networks only. It does not have 5GHz capability.
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