Attributes

Brand	-
Category	Electronic Components / Maker DIY / Development Boards & Control Boards
Origin	-
Microcontroller	ESP32-C3FH4
Flash Memory	4 MB
SRAM	384 KB
Wi-Fi Standard	802.11 b/g/n 2.4 GHz
Bluetooth Version	Bluetooth 5 and Bluetooth LE
Interface	USB Type-C
Operating Voltage	3.3V
Dimensions	20 x 13 x 3 mm
GPIO Pins	22 Programmable GPIOs
Weight	3 grams

5 reviews

Anonymous

Mar 23, 2026

Rating: 4/5

Good hardware, docs lacking

Board works well but finding specific pinout info took time. Hardware quality is solid for the price point.

Anonymous

Mar 17, 2026

Rating: 5/5

Perfect for IoT projects

Works flawlessly with Arduino IDE. The small form factor is a huge plus for compact designs. Wi-Fi connection is stable.

Anonymous

Mar 06, 2026

Rating: 5/5

Low power consumption

Battery life is impressive on Bluetooth LE projects. Deep sleep modes work as expected. Highly recommend for battery projects.

Anonymous

Jan 31, 2026

Rating: 5/5

Easy to start

Drivers installed easily on Windows 11. Good for learning embedded programming without complex setup.

Anonymous

Jan 23, 2026

Rating: 4/5

Great board, tiny pins

Performance is excellent but soldering headers requires care due to size. Once set up, it runs very efficiently.

5 FAQ

Q: Can I power it via battery directly?

A: Yes, via the VIN pin, recommended input range is 3.3V to 5V DC.

Q: Is external antenna supported?

A: No, this SuperMini model uses the onboard PCB antenna only.

Q: Is 5V tolerant on GPIO pins?

A: No, GPIOs are 3.3V logic level. Please use level shifters for 5V devices.

Q: Does it support MicroPython firmware?

A: Yes, this board is fully compatible with MicroPython and CircuitPython.

Q: What is the maximum current draw?

A: Peak current can reach around 350mA during Wi-Fi transmission. Ensure your power supply can handle this.

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