Attributes

Brand	-
Category	Electronic Components / Maker DIY / Development Boards & Control Boards
Origin	-
Processor	ESP32-C3 RISC-V 32-bit MCU
Wireless Connectivity	Wi-Fi 2.4GHz & Bluetooth 5 (LE)
Flash Memory	4MB SPI Flash
SRAM	400KB
Interface	USB Type-C Connector
Logic Voltage	3.3V
Input Voltage	5V via USB or 3.3V-5V via VIN
GPIO Count	22 Programmable Pins
Dimensions	20.5mm x 17.5mm x 8mm
Software Support	Arduino IDE, ESP-IDF, MicroPython

5 reviews

Anonymous

Apr 14, 2026

Rating: 5/5

USB-C is a game changer

Finally no more micro-USB cables. Flashing code is fast and reliable. Highly recommend for modern projects.

Anonymous

Mar 12, 2026

Rating: 5/5

Low power consumption

Using this for a battery project and the sleep modes work perfectly. Great efficiency for the price point.

Anonymous

Mar 08, 2026

Rating: 4/5

Good value for money

Easy to set up with Arduino IDE. Wish it came with headers pre-soldered, but otherwise excellent board.

Anonymous

Feb 19, 2026

Rating: 5/5

Perfect for IoT prototypes

The size is incredibly small yet packs all the features I need. Wi-Fi connection is stable and setup was straightforward.

Anonymous

Jan 30, 2026

Rating: 4/5

Great board, minor learning curve

Works well with ESP-IDF. Pinout took some time to memorize due to compact size, but performance is solid.

5 FAQ

Q: What antenna does it use?

A: It uses a built-in PCB antenna for Wi-Fi and Bluetooth communications.

Q: Is the USB interface native or via a converter chip?

A: It features native USB 1.1 Full Speed support built into the MCU.

Q: Does this support Bluetooth Classic?

A: No, the ESP32-C3 only supports Bluetooth Low Energy (BLE).

Q: Is it compatible with ESP32 code?

A: Mostly, but some peripherals differ. Please check the official migration guide for details.

Q: Can I power this with a 3.7V LiPo battery?

A: Yes, connect via the BAT pin or VIN, ensuring voltage stays within the specified range.

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