Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Development, Learning, Evaluation & Industrial Control Boards |
| Origin | - |
| Microcontroller | ESP32-WROOM-32 |
| Wi-Fi Standard | 802.11 b/g/n (2.4 GHz) |
| Bluetooth Version | Bluetooth v4.2 BR/EDR and BLE |
| Operating Voltage | 3.3V |
| Input Voltage | 5V via Micro USB or VIN pin |
| Flash Memory | 4 MB |
| SRAM | 520 KB |
| GPIO Pins | 30+ programmable pins |
| Interface | Micro USB, UART, SPI, I2C, ADC, DAC |
| Compatibility | Arduino IDE, ESP-IDF, MicroPython |
Anonymous
Mar 24, 2026
Rating: 4/5
Great value, minor documentation gaps
Hardware quality is excellent for the price. I had to look up some specific pin mappings online as the included guide was brief, but once configured, it runs stable projects without overheating.
Anonymous
Mar 21, 2026
Rating: 5/5
Exceeded expectations
The build quality feels sturdy. I love that it supports both MicroPython and C++. The expansion headers make it easy to connect sensors without a breadboard. Will buy more.
Anonymous
Mar 14, 2026
Rating: 5/5
Perfect for IoT Prototyping
This board works flawlessly with the Arduino IDE. The built-in Wi-Fi and Bluetooth make it ideal for my smart home sensors. Setup was quick and the pinout is clearly labeled.
Anonymous
Mar 12, 2026
Rating: 4/5
Solid performance for non-critical apps
Using this for internal data logging prototypes. It performs well under continuous operation. Just ensure you have a stable 5V power source for heavy Wi-Fi usage to avoid brownouts.
Anonymous
Mar 10, 2026
Rating: 5/5
Easy to get started
As a beginner, I was worried about configuration, but the community support for ESP32 made it easy. This board recognized my computer immediately. Great for learning embedded systems.
Anonymous
Mar 09, 2026
Rating: 5/5
Reliable and Fast
I've used several ESP32 boards, and this Keyes version is very reliable. The connection speed is fast, and it handles multiple simultaneous connections well. Highly recommended for students.
Q: Can I power this board with a 9V battery?
A: Yes, you can connect a 9V battery to the VIN and GND pins. The onboard regulator will step it down to the required 3.3V for the ESP32 chip.
Q: Does this board come with a USB cable included?
A: Yes, the package typically includes a Micro USB cable for power and programming, though availability may vary by seller batch.
Q: Is this compatible with the ESP32-CAM module?
A: While both use the ESP32 chipset, this is a core development board. You would need to wire external camera modules via the GPIO pins rather than plugging in an ESP32-CAM directly.
Q: What is the maximum current output for the 3.3V pin?
A: The onboard regulator can typically supply around 600mA to 800mA total for the board and peripherals, but it is recommended to keep the draw from the 3.3V pin under 500mA for stability.
Q: How do I install the drivers if my computer doesn't recognize the board?
A: This board usually uses the CP2102 or CH340 USB-to-UART bridge. Please download and install the corresponding driver from the manufacturer's website based on the chip visible on your specific unit.
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