Attributes

Brand	-
Category	Electronic Components / Maker DIY / Development Boards & Control Boards
Origin	-
Processor	Dual-Core Tensilica LX6 Microprocessor
Clock Frequency	240 MHz
Wi-Fi Standard	802.11 b/g/n (2.4 GHz)
Bluetooth Version	v4.2 BR/EDR and BLE
Flash Memory	4 MB
SRAM	520 KB
GPIO Pins	34 Programmable Pins
Operating Voltage	3.3V
Input Voltage	5V via USB Interface
Board Dimensions	55mm x 28mm x 13mm

5 reviews

Anonymous

Apr 16, 2026

Rating: 5/5

Excellent for IoT Projects

Works perfectly with the Arduino IDE. The Wi-Fi connection is stable and the dual-core processing handles multitasking well.

Anonymous

Apr 12, 2026

Rating: 5/5

Fast and Reliable

I have used this for several home automation sensors. Bluetooth pairing is quick and the range is sufficient for most rooms.

Anonymous

Mar 30, 2026

Rating: 4/5

Good Value Board

Great functionality for the price. The pinout is a bit crowded for beginners, but once you get used to it, it is very powerful.

Anonymous

Feb 23, 2026

Rating: 3/5

Decent but Needs Care

The board works well but is sensitive to voltage spikes. Make sure you use a stable power supply to avoid resets.

Anonymous

Feb 03, 2026

Rating: 5/5

Perfect for Beginners

There is so much documentation online for this chip. I was able to upload my first sketch within an hour of receiving it.

5 FAQ

Q: How much current does it draw in deep sleep mode?

A: In deep sleep mode, the current consumption is approximately 10 microamps, making it suitable for battery projects.

Q: Does the package include a USB cable?

A: Yes, a micro USB cable is included in the package for programming and power supply.

Q: What is the typical Bluetooth range?

A: The typical effective range is up to 10 meters in an open environment, depending on obstacles and interference.

Q: Are the GPIO pins 5V tolerant?

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

Q: Is this compatible with the Arduino IDE?

A: Yes, this board is fully compatible with the Arduino IDE using the ESP32 board manager package.

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