Attributes

Brand	-
Category	Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards
Origin	-
Microcontroller	ESP32-WROOM-32
Flash Memory	4MB
Clock Speed	240 MHz
Wireless Connectivity	Wi-Fi 802.11 b/g/n, Bluetooth v4.2 BR/EDR and BLE
GPIO Pins	34 (including ADC, DAC, SPI, I2C, UART)
Operating Voltage	3.3V
Input Voltage	5V via Micro USB or VIN pin
Programming Language Support	MicroPython, C/C++ (Arduino IDE), Lua
Dimensions	55mm x 28mm x 12mm
Weight	10g

6 reviews

Anonymous

Mar 20, 2026

Rating: 5/5

Reliable and Fast

Using it to control my smart home sensors. The dual-core processor handles multiple tasks without lag. Highly recommend for automation projects.

Anonymous

Mar 13, 2026

Rating: 5/5

Best ESP32 board I've used

Compared to other generic boards, this one has better build quality and consistent performance. The 4MB flash is plenty for most scripts.

Anonymous

Mar 12, 2026

Rating: 4/5

Solid hardware, good pins layout

The pinout is clearly labeled which saves time during wiring. Power consumption is reasonable in deep sleep mode. Would buy again.

Anonymous

Mar 08, 2026

Rating: 5/5

Easy to get started

I was worried about the setup, but flashing MicroPython took less than 5 minutes. The community support is amazing.

Anonymous

Mar 05, 2026

Rating: 5/5

Perfect for IoT Prototyping

This board works flawlessly with MicroPython. The Wi-Fi connection is stable, and the Bluetooth pairing was instant. Great value for the price.

Anonymous

Mar 01, 2026

Rating: 4/5

Great learning tool

Bought this for my university project. Documentation is abundant online. Only minor issue is the USB cable included felt a bit flimsy, but the board itself is solid.

5 FAQ

Q: What is the maximum current draw per GPIO pin?

A: Each GPIO pin can source or sink up to 40mA. However, the total current for all IO ports combined should not exceed specific limits outlined in the ESP32 datasheet to avoid damaging the chip.

Q: How do I enter boot mode?

A: To enter boot mode, hold down the 'BOOT' button while pressing the 'RESET' button. Release the 'RESET' button first, then release the 'BOOT' button after a second.

Q: Is the antenna external or internal?

A: This model features an onboard PCB antenna. There is no connector for an external antenna on this specific revision.

Q: Can I power this directly from a 9V battery?

A: While the VIN pin accepts a range of voltages, we recommend using a 5V source via the Micro USB port or a regulated 5V input for stability. A 9V battery may work but could cause overheating if not regulated properly before reaching the board.

Q: Does this board support the Arduino IDE?

A: Yes, this ESP32 board is fully compatible with the Arduino IDE. You just need to install the ESP32 board manager package.

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