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Home / Development Boards & Control Boards / Keyes ESP32 Core Board Development Expansion Board WiFi IoT Module Compatible with Arduino

Attributes

Brand -
Category Electronic Components / Maker DIY / Development Boards & Control Boards
Origin -
Microcontroller ESP32-WROOM-32
Operating Voltage 3.3V
Input Voltage 5V via Micro USB
Digital I/O Pins 24 Multipurpose GPIO
WiFi Standard 802.11 b/g/n (2.4 GHz)
Bluetooth v4.2 BR/EDR and BLE
Flash Memory 4MB SPI Flash
CPU Clock Speed Up to 240 MHz
Programming Interface Micro USB / UART
Software Compatibility Arduino IDE, MicroPython, ESP-IDF

5 reviews

A

Anonymous

Apr 04, 2026

Rating: 5/5

Reliable WiFi Performance

Used this for a home automation sensor. Signal strength is impressive compared to older ESP8266 boards.

A

Anonymous

Mar 23, 2026

Rating: 5/5

Perfect for IoT Projects

Works straight out of the box. Connected to WiFi easily using Arduino IDE. Great value for the price.

A

Anonymous

Mar 22, 2026

Rating: 3/5

Learning curve exists

Great board but requires specific drivers installed on Windows first. Once setup, it works fine.

A

Anonymous

Feb 02, 2026

Rating: 4/5

Good value board

Hardware is solid. Wish the pinout diagram was clearer on the box, but online resources helped.

A

Anonymous

Jan 18, 2026

Rating: 5/5

Fast Shipping & Quality

Arrived quickly. Tested all GPIO pins and they function correctly. Highly recommend for beginners.

5 FAQ

Q: Does it have built-in Bluetooth?

A: Yes, it supports both Classic Bluetooth and Bluetooth Low Energy (BLE) for various applications.

Q: Is it compatible with Arduino IDE?

A: Yes, you can install the ESP32 board manager package to use it with Arduino IDE seamlessly.

Q: Can I power this via battery?

A: Yes, you can connect a 3.7V LiPo battery to the appropriate pins with a regulator or via the 5V pin.

Q: What is the maximum current per pin?

A: Please refer to the ESP32 datasheet, but generally do not exceed 40mA per GPIO pin for safety.

Q: Does this support 5V logic?

A: No, the GPIO pins operate at 3.3V logic levels. Use a level shifter for 5V devices to avoid damage.

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