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Home / Development Boards & Control Boards / ESP-32 Development Board with WiFi + Bluetooth 2-in-1, Dual-Core CPU, Low Power ESP32 ESP-32S 2.4 GHz

Attributes

Brand -
Category Electronic Components / Maker DIY / Development Boards & Control Boards
Origin -
CPU Dual-Core Tensilica LX6
Clock Speed 240 MHz
Wi-Fi 802.11 b/g/n (2.4 GHz)
Bluetooth v4.2 BR/EDR and BLE
Flash Memory 4MB
SRAM 520KB
GPIO Pins 34 Programmable Pins
Operating Voltage 3.3V
Interface USB-to-UART Bridge
Dimensions 55mm x 28mm x 13mm

5 reviews

A

Anonymous

Apr 16, 2026

Rating: 5/5

Bluetooth Range Impressive

Using BLE for a home automation project. The range is better than expected for the onboard antenna.

A

Anonymous

Apr 07, 2026

Rating: 5/5

Low Power Consumption

Measured the deep sleep current and it is indeed very low. Great for battery-powered sensors.

A

Anonymous

Feb 10, 2026

Rating: 4/5

Good Value but Needs Docs

Hardware is solid and cheap. However, beginners might struggle finding specific pinout diagrams for this specific revision.

A

Anonymous

Jan 23, 2026

Rating: 3/5

Driver Issues Initially

Took some time to install the correct USB drivers on Windows. Once working, it is fine.

A

Anonymous

Jan 21, 2026

Rating: 5/5

Perfect for IoT Projects

This board works flawlessly with the Arduino IDE. The Wi-Fi connectivity is stable and the dual-core processing handles multitasking well.

5 FAQ

Q: Is this board compatible with MicroPython?

A: Yes, this ESP32 board is fully compatible with MicroPython firmware.

Q: Is a USB cable included in the box?

A: Yes, a standard Micro USB cable is included for programming and power.

Q: Can I power this directly with 3.3V?

A: Yes, you can supply 3.3V directly to the 3.3V pin, bypassing the regulator.

Q: What is the maximum current per GPIO pin?

A: We recommend drawing no more than 12mA per GPIO pin to ensure stability.

Q: Does it support an external antenna?

A: No, this model features a fixed onboard PCB antenna only.

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