Attributes

Brand	-
Category	Electronic Components / Maker DIY / Development Boards & Control Boards
Origin	-
Microcontroller	ESP32-C3
CPU Architecture	32-bit RISC-V Single-Core
Clock Frequency	160 MHz
Flash Memory	4 MB
SRAM	400 KB
Wireless Connectivity	2.4 GHz Wi-Fi 802.11 b/g/n & Bluetooth 5 LE
GPIO Count	22 Programmable Pins
Operating Voltage	3.3V Logic / 5V USB Input
Interface Options	USB-to-UART, SPI, I2C, I2S
Board Dimensions	53 x 28 x 12 mm

5 reviews

Anonymous

Apr 02, 2026

Rating: 5/5

Perfect ESP8266 Upgrade

Much more stable Wi-Fi connection than my old boards. The Bluetooth LE support is a nice bonus for my home automation setup.

Anonymous

Mar 01, 2026

Rating: 5/5

Excellent for IoT Prototyping

Works straight out of the box with Arduino IDE. The RISC-V architecture is fast enough for my sensor logs and Wi-Fi connectivity is stable.

Anonymous

Feb 27, 2026

Rating: 5/5

Low Power Mode Works

Verified deep sleep currents are as specified. Great for battery projects where energy efficiency is critical.

Anonymous

Feb 17, 2026

Rating: 3/5

Documentation Needs Work

Board is fine and functions correctly, but finding specific pinout diagrams took some digging compared to other brands.

Anonymous

Jan 27, 2026

Rating: 4/5

Good Value Board

Solid performance for the price. Wish it had a built-in battery connector though, but otherwise meets expectations for development.

5 FAQ

Q: What is the maximum current per GPIO pin?

A: Please refer to the official datasheet, but generally do not exceed 40mA per pin to ensure safety.

Q: Is the USB cable included in the package?

A: No, the board is sold without a USB cable. You will need a standard USB Type-C cable for power and programming.

Q: Does it support Bluetooth Classic or only BLE?

A: The ESP32-C3 supports Bluetooth 5 Low Energy (BLE) only, not Bluetooth Classic.

Q: Does this support MicroPython firmware?

A: Yes, the ESP32-C3 is fully compatible with MicroPython and CircuitPython frameworks.

Q: Can I power this with 3.3V directly on the VIN pin?

A: No, please use the 5V pin or USB for input. The 3.3V pin is an output unless specified otherwise in advanced guides.

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