The ESP32 ESP-WROOM-32 + CP2102 Development Board is a compact, feature-rich platform designed for IoT development, wireless communication, and embedded prototyping. Built around the ESP32-WROOM-32 module and equipped with the reliable CP2102 USB-to-serial chip, this board offers a proven combination of dual-core processing power, integrated WiFi and Bluetooth connectivity, and stable programming support.
The ESP32-WROOM-32 module at the core of this board features a dual-core 32-bit microprocessor running at up to 240 MHz, with 4 MB of SPI flash memory for program and data storage. It supports WiFi 802.11 b/g/n and Bluetooth v4.2 BR/EDR and BLE, providing versatile wireless options for a wide range of applications, from smart home devices to industrial IoT gateways.
This version is equipped with the CP2102 USB-to-serial chip, a mature and widely supported interface solution known for its stability and broad driver availability. The CP2102 handles programming and serial communication over the Type-C USB port, which also serves as the board’s power supply. The Type-C connector offers reversible plug orientation and is increasingly standard across modern devices.
The 38-pin welded design exposes most of the module’s I/O pins on standard 0.1-inch headers along both sides of the board. This allows developers to connect peripherals with jumper wires or mount the board on a breadboard for prototyping. The welded construction means the headers are pre-soldered and ready to use without any assembly required.
The board includes a reset button (EN) and a boot button (Boot) for easy firmware flashing and operation. A Micro USB to Type-C adapter may be included with some versions for added convenience. The board is compatible with Arduino IDE, ESP-IDF, and PlatformIO, with extensive community resources and libraries available.
Whether you are a beginner exploring IoT concepts, a hobbyist building connected projects, or a business deploying wireless solutions, the ESP32 ESP-WROOM-32 + CP2102 Development Board offers a reliable, well-supported platform that balances performance, connectivity, and cost.
Features
-
ESP32-WROOM-32 module — dual-core 32-bit microprocessor with integrated WiFi and Bluetooth.
-
CP2102 USB interface chip — stable, widely supported USB-to-serial communication with mature drivers.
-
Type-C USB interface — modern reversible connector for power and data; widely compatible.
-
38-pin welded design — all headers pre-soldered and ready to use without assembly.
-
Dual-core processing — up to 240 MHz clock speed for demanding applications.
-
Integrated WiFi — 802.11 b/g/n support for wireless networking and IoT connectivity.
-
Bluetooth v4.2 with BLE — supports both classic Bluetooth and Bluetooth Low Energy.
-
Full pin breakout — most GPIOs exposed on standard 0.1″ headers for easy interfacing.
-
On-board buttons — EN (reset) and Boot buttons for easy firmware flashing.
-
4 MB SPI flash — ample program and data storage for most projects.
-
Breadboard compatible — standard header spacing allows direct mounting on breadboards.
Technical Specifications
Usage
Getting Started
-
Install the CP2102 driver if prompted — required on most systems for first-time use.
-
Connect the board to your computer using a Type-C USB cable.
-
Select your development environment — Arduino IDE, ESP-IDF, or PlatformIO.
-
Choose the correct board and port — select “ESP32 Dev Module” or the appropriate ESP32 board definition.
-
Upload your sketch or firmware.
-
Press the EN button if needed to reset the board after uploading.
Power Options
-
Type-C USB port — default power supply (5V) and communication interface.
-
5V and GND header pins — alternative power input.
-
3.3V and GND header pins — for regulated 3.3V supply.
Important: Use only one power source at a time to avoid damaging the board or power supply.
Typical Applications
-
IoT device development and prototyping — WiFi and Bluetooth connectivity for connected products.
-
Smart home automation — sensor networks, local web servers, and device control.
-
Wireless data logging and remote monitoring — 4 MB Flash for extended data storage.
-
Bluetooth Low Energy applications — beacons, wearables, and proximity sensing.
-
Industrial control and automation — reliable wireless communication for equipment.
-
Educational projects and STEM learning — a well-supported platform for teaching IoT concepts.
-
OEM integration for connected products — standard pinout and form factor for custom designs.
-
Corporate training and workshop demonstrations — reliable hardware for group learning.
Notes for Business Buyers
-
CP2102 interface — mature driver support and stable performance for bulk deployment.
-
Welded headers — ready for immediate use, reducing setup time in production and training environments.
-
Type-C connector — modern, widely adopted interface that simplifies cable management.
-
Standard pinout and form factor — simplifies integration into existing hardware designs.
-
Suitable for bulk purchasing — ideal for educational institutions, labs, and product development teams.
Q: Is this board compatible with the Arduino IDE?
Yes. It works with the Arduino IDE when the ESP32 board definitions are installed. Select an appropriate ESP32 board type and the correct serial port.
Q: Do I need to install a driver for the CP2102 chip?
Yes. On most operating systems, a one-time CP2102 driver installation is required before the board is recognized. After installation, it works normally with development tools.
Q: What is the difference between the CP2102 and CH340 chips?
Both are USB-to-serial converters. The CP2102 is known for broad driver availability and stable performance. The CH340 is a common alternative with similar functionality but different driver requirements.
Q: Can I power this board from an external power supply?
Yes. You can power the board via the Type-C USB port, or through the 5V/GND or 3.3V/GND header pins. Use only one power source at a time to avoid damage.
Q: Does this board support WiFi and Bluetooth simultaneously?
The ESP32 hardware supports both WiFi and Bluetooth, but they share the same radio. In most applications, they can be used together with appropriate software configuration.
Q: How do I enter firmware download mode?
Hold down the Boot button, then press and release the EN button. Release the Boot button to enter download mode for flashing firmware.
Q: Is this board suitable for beginners?
Yes. With extensive documentation, community support, and compatibility with Arduino IDE and ESP-IDF, it is suitable for beginners and experienced developers alike.
Q: Can I use this board with a breadboard?
Yes. The standard 0.1-inch header spacing allows the board to be mounted directly on a breadboard for prototyping.
Q: What programming languages are supported?
The board supports C/C++ through ESP-IDF and Arduino IDE, MicroPython, and other languages with appropriate firmware and toolchains.
Q: Can I purchase in bulk for a school, company, or product development?
Yes. This board is suitable for both individual users and business purchasing, including classroom sets, corporate training, and OEM integration.
