Attributes

Brand	-
Category	Electronic Components / Maker DIY / Development Boards & Control Boards
Origin	-
Chip Model	ESP32-C3FH4
Flash Memory	4 MB
WiFi Protocol	802.11 b/g/n (2.4 GHz)
Bluetooth Version	Bluetooth 5 (LE)
CPU Frequency	160 MHz
GPIO Pins	22 Programmable
Operating Voltage	3.3V
Input Voltage	5V via USB-C
Dimensions	20.5 x 17.5 x 8.5 mm
Weight	3.5 grams

5 reviews

Anonymous

Mar 11, 2026

Rating: 3/5

Documentation lacking

Hardware is fine but finding pinout info took some digging.

Anonymous

Mar 09, 2026

Rating: 5/5

Tiny but Mighty

Excellent board for space-constrained projects. WiFi range is decent.

Anonymous

Feb 25, 2026

Rating: 4/5

Good but needs patience

Soldering the headers was hard due to size. Works great though.

Anonymous

Feb 20, 2026

Rating: 5/5

Solid connectivity

Bluetooth LE connects instantly to my phone app. Very stable.

Anonymous

Jan 20, 2026

Rating: 5/5

Best C3 board yet

Low power consumption in deep sleep. Perfect for battery sensors.

5 FAQ

Q: Supports MicroPython?

A: Yes, flash the latest MicroPython firmware.

Q: Is USB-C data capable?

A: Yes, it supports programming and serial monitoring.

Q: Does this work with Arduino?

A: Yes, select ESP32C3 Dev Module in board manager.

Q: What logic level?

A: It operates at 3.3V logic levels.

Q: Can I use 3.7V battery?

A: Yes, connect to 5V and GND pins carefully.

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