Attributes

Brand	-
Category	Electronic Components / Maker DIY / Development Boards & Control Boards
Origin	-
Chipset	ESP32-C3FH4
Wi-Fi Standard	2.4 GHz 802.11b/g/n
Bluetooth Version	Bluetooth 5 (LE)
Flash Memory	4 MB
SRAM	400 KB
GPIO Count	22 Programmable GPIOs
Operating Voltage	3.3V
Interface	USB Type-C
Dimensions	19 x 13 x 5 mm
Weight	3.5 grams

5 reviews

Anonymous

Mar 30, 2026

Rating: 5/5

Perfect for IoT projects

Tiny form factor but packs a punch. Wi-Fi connection is stable.

Anonymous

Mar 23, 2026

Rating: 5/5

Fast shipping

Board arrived quickly and was well packaged. Tested OK.

Anonymous

Mar 22, 2026

Rating: 4/5

Good value

Solid performance for the price. Wish it had more GPIOs exposed.

Anonymous

Mar 15, 2026

Rating: 4/5

Great board, minor learning curve

Works well with Arduino IDE once drivers are installed. Very compact.

Anonymous

Jan 20, 2026

Rating: 5/5

SuperMini indeed

Smallest ESP32 I have used. Bluetooth LE works flawlessly for my sensor node.

5 FAQ

Q: Can I use MicroPython on this?

A: Yes, MicroPython and CircuitPython are supported.

Q: Is there a battery connector?

A: No direct battery connector, but VIN pin can be used with regulation.

Q: Does it have an external antenna connector?

A: No, it uses an onboard PCB antenna.

Q: Is this compatible with Arduino IDE?

A: Yes, fully supported via the ESP32 board manager.

Q: What is the input voltage range?

A: It operates at 3.3V logic, USB powered via Type-C.

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