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Home / Development Boards & Control Boards / ESP-32 Development Board with CP2102/CH9102 Driver, WiFi + Bluetooth Dual-Core CPU Module

Attributes

Brand -
Category Electronic Components / Maker DIY / Development Boards & Control Boards
Origin -
CPU Type Dual-Core Tensilica LX6 Microprocessor
Clock Frequency 240 MHz
Flash Memory 4MB SPI Flash
SRAM Size 520 KB
Wi-Fi Standard 802.11 b/g/n (2.4 GHz)
Bluetooth Capability Bluetooth v4.2 BR/EDR and BLE
USB Interface Chip CP2102 or CH9102 (Varies by Batch)
Input Voltage Range 5V via Micro USB or 3.3V-5V via VIN
Digital I/O Pins 30+ Programmable GPIOs
Package Dimensions 55mm x 28mm x 13mm

5 reviews

A

Anonymous

Apr 11, 2026

Rating: 4/5

Good for learning

Documentation could be better but hardware is solid. Great for university projects.

A

Anonymous

Mar 20, 2026

Rating: 5/5

Excellent stability

Been running for weeks without disconnect. The Wi-Fi range is impressive for such a small board.

A

Anonymous

Feb 01, 2026

Rating: 4/5

Solid performance

Dual core is very helpful for multitasking. One pin was bent but fixed easily.

A

Anonymous

Jan 31, 2026

Rating: 5/5

Perfect for Home Assistant

Integrates easily with ESPHome. Highly recommend for smart home sensors.

A

Anonymous

Jan 23, 2026

Rating: 5/5

Fast shipping

Arrived quickly and works as described. USB chip detected immediately on Windows 11.

5 FAQ

Q: Does this support OTA updates?

A: Yes, the ESP32 supports Over-The-Air firmware updates via Wi-Fi.

Q: Is there a reset button?

A: Yes, there is an EN button for reset and a BOOT button for flashing mode.

Q: What IDE do you recommend?

A: Arduino IDE, PlatformIO, and ESP-IDF are all supported options.

Q: Is the USB cable included?

A: No, the package includes the board only. A standard Micro USB cable is required.

Q: Can I use 5V sensors directly?

A: No, the GPIOs are 3.3V logic. Use a level shifter for 5V sensors.

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