Attributes

Brand	-
Category	Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards
Origin	-
Microcontroller	ESP32-WROOM-32 Dual Core
Wireless Connectivity	Wi-Fi 802.11 b/g/n and Bluetooth v4.2 BR/EDR & BLE
Operating Voltage	3.3V (Logic), 5V (Input via USB)
Flash Memory	4MB SPI Flash
CPU Frequency	Up to 240 MHz
GPIO Pins	34 Programmable GPIOs
Interface	USB-to-UART Bridge (CP2102 or CH340)
Power Supply	Micro-USB or External 5V Pin
Supported IDEs	Arduino IDE, ESP-IDF, MicroPython, Lua
Dimensions	55mm x 28mm x 12mm

6 reviews

Anonymous

Mar 24, 2026

Rating: 4/5

Good performance, runs warm

The board performs well under load, though it does get a bit warm when using Wi-Fi and Bluetooth simultaneously for extended periods. A small heatsink might help, but it hasn't affected functionality.

Anonymous

Mar 22, 2026

Rating: 5/5

Perfect for IoT Prototyping

This board is exactly what I needed for my smart home project. The Wi-Fi connection is stable, and the Bluetooth pairing worked instantly with my phone. Documentation was easy to follow.

Anonymous

Mar 21, 2026

Rating: 5/5

Robust and Reliable

I have used several ESP32 boards from different manufacturers, and this one offers excellent build quality. The pin headers are solid, and it handles multiple sensor inputs without crashing.

Anonymous

Mar 17, 2026

Rating: 5/5

Excellent ADC and DAC support

Needed specific analog input capabilities for an environmental monitoring station. The ADC resolution is sufficient for my needs, and the community support for libraries is fantastic.

Anonymous

Mar 14, 2026

Rating: 4/5

Great value but needs patience

As a beginner, I found the setup slightly challenging initially, but once I installed the correct drivers, everything worked smoothly. Great learning tool for the price.

Anonymous

Mar 03, 2026

Rating: 5/5

Ideal for Classroom Use

We bought ten of these for our robotics club. They are durable enough for students to handle and powerful enough for complex projects involving MQTT and cloud connectivity.

5 FAQ

Q: Does this board come with a USB cable included?

A: No, the package typically includes only the development board. A standard Micro-USB cable is required for power and programming but is sold separately.

Q: What is the maximum current draw for the 3.3V pin?

A: The onboard regulator can supply approximately 600mA total, but we recommend drawing no more than 200-300mA from the 3.3V pin to ensure stability.

Q: Does it support Over-The-Air (OTA) updates?

A: Yes, the ESP32 chip fully supports OTA updates, allowing you to upload new firmware wirelessly once the initial code is flashed via USB.

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

A: It is not recommended to connect 9V directly to the 5V pin as it may damage the voltage regulator. Please use a regulated 5V source or a USB power bank.

Q: Is this compatible with the Arduino IDE?

A: Yes, absolutely. You can easily install the ESP32 board manager URL in Arduino IDE preferences and start programming immediately.

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