Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller | ESP32 Dual-Core 32-bit LX6 Microprocessor |
| Clock Frequency | Up to 240 MHz |
| Flash Memory | 4 MB |
| SRAM | 520 KB |
| Wireless Connectivity | Wi-Fi 802.11 b/g/n and Bluetooth v4.2 BR/EDR & BLE |
| USB-to-UART Bridge | CP2102 / CH340 / CH9102 (Variant dependent) |
| Operating Voltage | 3.3V (Logic), 5V (Input via VIN) |
| GPIO Pins | 30+ Programmable GPIOs with PWM, I2C, SPI, UART |
| Power Supply | Via Micro-USB or VIN Pin (5V) |
| Dimensions | 55mm x 28mm x 13mm |
Anonymous
Mar 28, 2026
Rating: 5/5
Perfect for IoT Projects
This ESP32 board works flawlessly right out of the box. The dual-core processor handles multitasking easily, and the built-in WiFi and Bluetooth make connecting to my home network simple. Great value for the price.
Anonymous
Mar 27, 2026
Rating: 5/5
Great for learning embedded systems
As a beginner, I found the community support for this specific board overwhelming in a good way. Tutorials are everywhere, and the pinout is clearly marked on the silkscreen.
Anonymous
Mar 25, 2026
Rating: 5/5
Excellent connectivity range
The WiFi antenna on this version seems better than generic clones I've bought before. I get a strong signal even two rooms away from my router. Bluetooth pairing is also instant.
Anonymous
Mar 19, 2026
Rating: 4/5
Reliable for prototyping
We used several of these for rapid prototyping of an industrial monitor. They held up well under continuous operation for weeks. Only wish it had a dedicated reset button that was slightly larger.
Anonymous
Mar 14, 2026
Rating: 4/5
Solid board, minor driver issue
The hardware is excellent and stable. I had a small hiccup installing the CH340 drivers on Windows 11, but once that was sorted, uploading code via Arduino IDE was smooth. Highly recommend for students.
Anonymous
Mar 07, 2026
Rating: 5/5
Best upgrade from ESP8266
The extra RAM and processing power compared to the ESP8266 are noticeable. I'm using this for a smart home sensor hub, and it handles multiple MQTT connections without lagging.
Q: What is the difference between the CP2102 and CH340 versions?
A: The difference lies only in the USB-to-UART bridge chip used for programming. Both work identically for the ESP32 functionality; you just need to install the specific driver for the chip your board has.
Q: Does this board support MicroPython?
A: Yes, the ESP32 chip fully supports MicroPython. You can flash the firmware using esptool.py and start coding in Python immediately.
Q: How many GPIO pins are available for user projects?
A: While the chip has more, this specific board layout exposes approximately 30 usable GPIO pins. Note that some pins (like GPIO 6-11) are connected to flash memory and should not be used.
Q: Is the Bluetooth Classic supported or only BLE?
A: The ESP32 supports both Bluetooth Classic (BR/EDR) and Bluetooth Low Energy (BLE), allowing for versatile connectivity options like audio streaming or low-power sensor data transmission.
Q: Can I power this board with a 9V battery?
A: It is recommended to use a 5V source via the VIN pin or Micro-USB. While the onboard regulator can handle some overhead, a 9V battery may cause the regulator to overheat under heavy load. A 5V power bank is safer.
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