Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller | ESP32-WROOM-32 Dual Core |
| Programming Language Support | Python (MicroPython), Lua, C/C++ (Arduino IDE) |
| Wi-Fi Standard | 802.11 b/g/n (2.4 GHz) |
| Bluetooth | Bluetooth v4.2 BR/EDR and BLE |
| Flash Memory | 4 MB SPI Flash |
| Operating Voltage | 3.3V (Logic), 5V (Input via USB) |
| GPIO Pins | 30+ Programmable GPIOs |
| Analog Inputs | 18 x 12-bit ADC channels |
| Interface | USB-to-UART Bridge (CP2102) |
| Dimensions | 55mm x 28mm x 12mm |
Anonymous
Mar 27, 2026
Rating: 4/5
Good board, minor documentation gaps
Hardware is solid and pins are clearly labeled. However, finding specific Lua examples for some sensors took a bit of digging. Otherwise, highly recommended.
Anonymous
Mar 14, 2026
Rating: 5/5
Best bang for your buck
You get Wi-Fi, Bluetooth, and plenty of GPIOs for a very low price. It replaced my Raspberry Pi Pico for wireless projects immediately.
Anonymous
Mar 12, 2026
Rating: 5/5
Perfect for MicroPython projects
This board works flawlessly with MicroPython. The setup was straightforward, and the Wi-Fi connectivity is stable. Great value for IoT prototyping.
Anonymous
Mar 11, 2026
Rating: 5/5
Great for learning IoT
As a beginner, this board made it easy to get started with Python coding for hardware. The community support is huge, which helps when you get stuck.
Anonymous
Mar 06, 2026
Rating: 5/5
Excellent dual-core performance
The dual-core ESP32 handles multitasking much better than the older ESP8266 models. I use it for a home automation hub, and it hasn't crashed once.
Anonymous
Mar 01, 2026
Rating: 4/5
Solid choice for industrial control
We deployed ten of these for sensor monitoring. They are reliable, though the power consumption is slightly higher than expected in deep sleep mode.
Q: Is Lua pre-installed on the board?
A: The board typically ships with a basic firmware. You will need to flash the NodeMCU Lua firmware yourself using a flashing tool, which is a simple process.
Q: Can I program this using the Arduino IDE?
A: Absolutely. This board is fully compatible with the Arduino IDE. You just need to install the ESP32 board manager package.
Q: What is the maximum current output per GPIO pin?
A: Each GPIO pin can source or sink up to 40mA. Please ensure your total current draw does not exceed the board's limits to avoid damage.
Q: Does this board come with a USB cable included?
A: Yes, the package includes a standard Micro-USB cable for programming and power supply.
Q: Does it support external antennas for better range?
A: This specific model uses an onboard PCB antenna. For models with external antenna connectors, please check our 'ESP32-Ext' product listing.
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