ESP32 Development Board WiFi Bluetooth 30/38Pin CP2102

ESP32 Development Board – Dual-Mode WiFi & Bluetooth Module

Take your electronics projects to the next level with the ESP32 Development Board. Featuring a powerful dual-core processor with integrated 2.4GHz WiFi and Bluetooth connectivity, this versatile microcontroller board is ideal for makers, hobbyists, engineers, and students who want a reliable, feature-packed platform for IoT, automation, robotics, and more.

Key Features

• Dual-Mode Connectivity: Integrated 2.4GHz WiFi (802.11 b/g/n) and Bluetooth (Classic + BLE) — both on a single chip for seamless wireless communication.
• Ultra-Low Power Consumption: Built on TSMC's advanced 40nm low-power technology, maximizing efficiency for battery-powered and always-on applications.
• CP2102 USB-to-UART Bridge: Reliable USB communication and easy firmware flashing with the onboard CP2102 chip — no extra adapters needed.
• Flexible Pin Configurations: Available in both 30-pin and 38-pin versions to suit breadboard and custom PCB layouts.
• Micro USB & Type-C Options: Choose the connector type that fits your setup — both deliver stable power and data transfer.
• Dual-Core Processing: Xtensa LX6 dual-core CPU running up to 240MHz ensures smooth multitasking across complex firmware routines.
• Rich Peripheral Support: GPIO, SPI, I²C, I²S, UART, ADC, DAC, PWM, and more — compatible with a wide range of sensors, displays, and modules.
• Breadboard-Friendly Design: Compact form factor fits standard breadboards for rapid prototyping without soldering.
• Arduino IDE Compatible: Program using the familiar Arduino IDE, MicroPython, or ESP-IDF for full flexibility.

Specifications

• Chip: ESP32 (Xtensa LX6 Dual-Core, up to 240MHz)
• WiFi: 2.4GHz 802.11 b/g/n
• Bluetooth: v4.2 BR/EDR + BLE
• USB Bridge: CP2102
• Flash Memory: 4MB
• GPIO Pins: 30-pin or 38-pin variants
• Connector: Micro USB / Type-C (variant dependent)
• Operating Voltage: 3.3V (5V tolerant via USB)
• Technology Node: TSMC 40nm low-power process

Ideal Applications

• IoT (Internet of Things) devices and smart home automation
• Wireless sensor networks
• Robotics and motor control
• Wearable electronics prototyping
• Data logging and cloud-connected projects
• Educational electronics and STEM learning

What's in the Box

• 1× ESP32 Development Board (30-pin or 38-pin, as selected)

For more information on electronics safety and best practices for DIY electronics projects, visit the U.S. Consumer Product Safety Commission (CPSC).

Frequently Asked Questions

Q: What is the difference between the 30-pin and 38-pin ESP32 Development Board versions?

A: The 30-pin version has a narrower footprint, making it ideal for standard breadboards without blocking both rails. The 38-pin version offers additional GPIO breakouts for projects requiring more I/O connections. Both feature the same ESP32 dual-core chip, CP2102 USB bridge, and 2.4GHz WiFi plus Bluetooth connectivity.

Q: Is the ESP32 Development Board compatible with the Arduino IDE?

A: Yes! The ESP32 Development Board is fully compatible with the Arduino IDE via the ESP32 board package. You can also use MicroPython or Espressif's native ESP-IDF framework, making it accessible for beginners and experienced developers alike.

Q: What makes the CP2102 chip important on this development board?

A: The CP2102 is a USB-to-UART bridge chip that allows your computer to communicate with the ESP32 over a standard USB cable. It enables easy firmware uploads and serial monitoring without requiring any external programmer or adapter — simply plug in via Micro USB or Type-C and get started.

Q: Can the ESP32 Development Board be used for battery-powered projects?

A: Absolutely. Thanks to TSMC's 40nm ultra-low-power technology, the ESP32 features multiple low-power sleep modes (light sleep, deep sleep, and hibernation), making it well-suited for battery-operated IoT devices and remote sensor nodes where energy efficiency is a priority.