Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Development Boards & Control Boards |
| Origin | - |
| Chip Model | ESP32-C3FH4 |
| Flash Memory | 4 MB |
| SRAM | 400 KB |
| Wi-Fi Standard | 802.11b/g/n 2.4GHz |
| Bluetooth Version | Bluetooth 5.0 LE |
| Operating Voltage | 3.3V |
| Input Voltage | 5V via USB |
| GPIO Count | 22 Programmable Pins |
| USB Interface | USB Type-C |
| Dimensions | 53 x 23 x 12 mm |
Anonymous
Mar 20, 2026
Rating: 3/5
Pinout text is small
The board functions well, but the silkscreen printing for the pin numbers is quite small and hard to read without a magnifier.
Anonymous
Feb 28, 2026
Rating: 5/5
Excellent starter board
Works great for my initial IoT projects. The USB-C connection is very convenient and the board is recognized immediately by my computer.
Anonymous
Jan 28, 2026
Rating: 4/5
Solid performance
Good connectivity and stable Wi-Fi. I deducted one star because the documentation could be more detailed for advanced features.
Anonymous
Jan 22, 2026
Rating: 5/5
Easy to program
I was able to upload my first sketch using the Arduino IDE within minutes. Great community support available online for this chip.
Anonymous
Jan 21, 2026
Rating: 5/5
Perfect for Home Automation
Low power consumption in deep sleep mode makes this ideal for battery-powered sensors. Highly recommended for Home Assistant users.
Q: What is the current consumption in deep sleep mode?
A: In deep sleep mode, the current consumption is approximately 13uA depending on your specific configuration and peripherals.
Q: What is the maximum current per GPIO pin?
A: The maximum current per GPIO pin is 12mA. Please ensure your external components do not exceed this limit.
Q: Is this board compatible with the Arduino IDE?
A: Yes, this board is fully compatible with the Arduino IDE. You will need to install the ESP32 board manager package.
Q: Does this have a connector for an external antenna?
A: No, this model features an onboard PCB antenna only. There is no connector for an external antenna.
Q: Can I use MicroPython on this device?
A: Yes, the ESP32-C3 supports MicroPython. You can flash the firmware using esptool.py.
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