Attributes

Brand	-
Category	Electronic Components / Maker DIY / Development Boards & Control Boards
Origin	-
Microcontroller	ESP32-C3FH4
Wi-Fi Standard	802.11 b/g/n (2.4 GHz)
Bluetooth Version	Bluetooth 5 (Low Energy)
Flash Memory	4 MB
SRAM	400 KB
Operating Voltage	3.3V
Input Voltage	5V via USB-C
GPIO Pins	22 Programmable Pins
Dimensions	25.4 x 17.8 x 10.5 mm
Programming Interface	USB Type-C (UART)

5 reviews

Anonymous

Apr 12, 2026

Rating: 4/5

Good value

Works as expected. Pinout is a bit tight for breadboards without headers.

Anonymous

Apr 11, 2026

Rating: 5/5

Best Mini Board

Replaced my ESP8266 projects with this. Much faster and stable.

Anonymous

Mar 26, 2026

Rating: 5/5

Compact and Powerful

Great for space-constrained projects. Wi-Fi range is surprisingly good for the size.

Anonymous

Mar 23, 2026

Rating: 5/5

Arduino IDE Ready

Uploaded sketches without issues. Low power mode works well.

Anonymous

Feb 23, 2026

Rating: 3/5

Decent board

Documentation could be clearer on pin mapping. Hardware is fine.

5 FAQ

Q: Does it have an external antenna connector?

A: No, this SuperMini version uses a built-in PCB antenna.

Q: Is there a reset button?

A: Yes, there is a dedicated RST button on the board.

Q: What is the deep sleep current?

A: Typically around 50uA depending on configuration.

Q: Does this support 5V logic?

A: No, the GPIO pins are 3.3V logic. Use level shifters for 5V devices.

Q: Can I use MicroPython?

A: Yes, ESP32-C3 is fully compatible with MicroPython firmware.

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