Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller | ESP32-C3FH4 |
| CPU Frequency | 160 MHz |
| Flash Memory | 4 MB |
| SRAM | 400 KB |
| Wireless Connectivity | 2.4 GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE) |
| GPIO Pins | 22 Programmable GPIOs |
| Interface Support | SPI, I2C, I2S, UART, PWM, ADC, DAC |
| Programming Interface | USB-to-UART Bridge (CH343) |
| Operating Voltage | 3.3V |
| Dimensions | 56mm x 26mm x 12mm |
Anonymous
Mar 24, 2026
Rating: 4/5
Great value, minor documentation gaps
Hardware quality is excellent for the price. The chip performs well under load. I deducted one star because the pinout diagram on the box was slightly unclear, but the online wiki compensated for it.
Anonymous
Mar 11, 2026
Rating: 5/5
Perfect for IoT Prototyping
This board is exactly what I needed for my smart home project. The Wi-Fi connection is stable, and the Bluetooth LE works flawlessly with my phone. Setup with Arduino IDE was straightforward.
Anonymous
Mar 10, 2026
Rating: 5/5
Beginner Friendly
As someone new to embedded systems, I found this board very easy to get started with. The USB-C port makes connecting to my laptop simple, and there are plenty of tutorials available.
Anonymous
Mar 07, 2026
Rating: 5/5
Exceeded Expectations
Compact size but packed with features. The RISC-V architecture is a nice change, and the community support is growing fast. Delivery was quick and packaging was secure.
Anonymous
Mar 03, 2026
Rating: 4/5
Solid for industrial control tests
We used these for initial prototyping of a factory monitoring system. They handled the data transmission requirements well. Just ensure you have adequate heat dissipation if running at max frequency continuously.
Anonymous
Mar 01, 2026
Rating: 5/5
Reliable and Fast
I've tested several ESP32 variants, and the C3 is surprisingly efficient. Battery life on my portable sensor node has improved significantly compared to older models. Highly recommended.
Q: Does this board support MicroPython out of the box?
A: Yes, the ESP32-C3 is fully compatible with MicroPython. You will need to flash the latest firmware image, which can be easily done using the esptool utility.
Q: Does it come with headers pre-soldered?
A: No, the board is shipped without headers to allow for flexible mounting options. You will need to solder your own male or female headers depending on your project needs.
Q: What is the maximum current draw for the 3.3V pin?
A: The onboard LDO regulator can supply up to 600mA, but we recommend keeping the load under 500mA for stable operation and to prevent overheating.
Q: Is the antenna external or internal?
A: This specific model features an onboard PCB antenna. There is also a version available with an external antenna connector if you require longer range.
Q: Can I power this board directly via the VIN pin with 5V?
A: Yes, you can supply 5V to the VIN pin. The board includes a voltage regulator that steps it down to the required 3.3V for the chip.
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