Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Development Boards & Control Boards |
| Origin | - |
| Chip Model | ESP32-C3FH4 |
| CPU Architecture | 32-bit RISC-V |
| Wi-Fi Standard | 802.11 b/g/n (2.4 GHz) |
| Bluetooth Version | Bluetooth 5 (LE) |
| Flash Memory | 4 MB |
| SRAM | 400 KB |
| Operating Voltage | 3.3V |
| GPIO Count | 22 Programmable GPIOs |
| Dimensions | 25.4 x 12.7 mm |
| Programming Interface | USB Type-C |
Anonymous
Apr 03, 2026
Rating: 4/5
Good value but needs care
Great board overall. Just be careful with the 3.3V logic levels when connecting sensors.
Anonymous
Feb 25, 2026
Rating: 5/5
Perfect for IoT Projects
Compact and powerful. The USB-C connection makes flashing code very easy.
Anonymous
Feb 19, 2026
Rating: 5/5
Reliable Wi-Fi Module
Been using this for a home automation sensor. Wi-Fi range is decent for the size.
Anonymous
Feb 15, 2026
Rating: 3/5
Documentation could be better
The hardware is fine, but finding specific pinout diagrams for this mini version took some time.
Anonymous
Feb 10, 2026
Rating: 5/5
RISC-V Performance
Impressed by the speed and low power consumption. Bluetooth LE connectivity is stable.
Q: Does it have an external antenna connector?
A: No, this model uses the onboard PCB antenna.
Q: What is the maximum input voltage?
A: You can supply 5V via USB or the 5V pin, regulated down to 3.3V internally.
Q: Can I use MicroPython on this?
A: Yes, MicroPython and CircuitPython are both supported on the ESP32-C3.
Q: How do I enter boot mode?
A: Hold the BOOT button while pressing the RESET button, then release RESET first.
Q: Is this compatible with Arduino IDE?
A: Yes, it is fully supported via the ESP32 board manager package.
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