Attributes

Brand	-
Category	Electronic Components / Maker DIY / Development Boards & Control Boards
Origin	-
Processor	Dual-Core 240MHz Xtensa 32-bit LX6
Flash Memory	4MB SPI Flash
SRAM	520KB
Wi-Fi Standard	802.11 b/g/n 2.4GHz
Bluetooth Version	V4.2 BR/EDR and BLE
USB Interface	CH340 USB-to-UART Bridge
Operating Voltage	3.3V
Input Voltage	5V via Micro USB
GPIO Pins	30 Programmable GPIOs
Dimensions	55mm x 28mm

5 reviews

Anonymous

Apr 13, 2026

Rating: 5/5

Fast Delivery

Arrived in 3 days well packaged. The board looks sturdy and pins are aligned correctly.

Anonymous

Apr 04, 2026

Rating: 5/5

Highly Recommend

Used this for a sensor project. Dual-core performance handles multitasking easily.

Anonymous

Mar 29, 2026

Rating: 5/5

Excellent Board

Works great with ESP-IDF and Arduino IDE. The CH340 driver was easy to install on Windows.

Anonymous

Mar 20, 2026

Rating: 4/5

Good Quality

Board works well but drivers needed manual installation on Win10. Otherwise perfect.

Anonymous

Feb 24, 2026

Rating: 5/5

Perfect for IoT

Bluetooth range is impressive and Wi-Fi connection is stable. Great for home automation.

5 FAQ

Q: Is this compatible with Arduino IDE?

A: Yes, it is fully compatible. You need to add the ESP32 board manager URL to install support.

Q: Does this work on Mac OS?

A: Yes, CH340 drivers are available for macOS. You may need to disable security restrictions for unsigned drivers.

Q: Are the header pins soldered?

A: No, the headers are included in the package but are not pre-soldered to the board.

Q: What is the power consumption in deep sleep?

A: Approximately 10uA in deep sleep mode, depending on peripherals connected.

Q: Is this board 5V tolerant on GPIO pins?

A: No, the GPIO pins operate at 3.3V logic level. Applying 5V may damage the board.

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