Attributes

Brand	-
Category	Electronic Components / Maker DIY / Development Boards & Control Boards
Origin	-
Microcontroller	ESP32-C3FH4
Flash Memory	4 MB
SRAM	400 KB
Wi-Fi Standard	2.4 GHz 802.11b/g/n
Bluetooth Version	Bluetooth 5 (LE)
GPIO Count	22 Programmable GPIOs
Operating Voltage	3.3V
Interface	USB Type-C
Dimensions	23.5 x 17.5 x 3.5 mm
Weight	3.5 grams

5 reviews

Anonymous

Apr 13, 2026

Rating: 5/5

Reliable and fast

Used for a home automation sensor. Battery life is impressive in deep sleep mode.

Anonymous

Apr 09, 2026

Rating: 5/5

Excellent value

Fast processing for the price. Bluetooth LE connectivity is stable.

Anonymous

Apr 04, 2026

Rating: 5/5

Perfect for compact IoT

Small form factor makes it easy to embed. Wi-Fi works flawlessly.

Anonymous

Mar 14, 2026

Rating: 4/5

Good board, tiny pins

Works great with Arduino IDE. The pins are a bit close together for breadboarding without adapters.

Anonymous

Feb 23, 2026

Rating: 3/5

Steep learning curve

Hardware is fine, but finding specific libraries took some time. Good for experienced users.

5 FAQ

Q: Is there a JTAG interface for debugging?

A: Yes, GPIO pins can be configured for JTAG debugging purposes.

Q: Does it have an external antenna connector?

A: No, this SuperMini version uses an onboard PCB antenna.

Q: What is the input voltage range?

A: The board accepts 5V via USB or VIN pin, regulated to 3.3V for the MCU.

Q: Is this compatible with Arduino IDE?

A: Yes, it supports Arduino IDE via the ESP32 board manager.

Q: Can I use MicroPython on this?

A: Yes, MicroPython and CircuitPython are both supported on the ESP32-C3.

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