The ESP32 DevKitC Development Board is a compact, feature-rich platform designed for IoT development, wireless communication, and embedded prototyping. Built around the ESP32-WROOM-32D module, this board combines dual-core processing power with integrated Wi-Fi and Bluetooth connectivity, making it an ideal choice for connected devices, smart home projects, and industrial IoT applications.
The ESP32-WROOM-32D module at the core of this board features a dual-core 32-bit microprocessor running at up to 160 MHz, with 4 MB of SPI flash memory for program and data storage . It supports Wi-Fi 802.11 b/g/n and Bluetooth v4.2 BR/EDR and BLE, providing versatile wireless options for a wide range of applications .
This version is equipped with the CH9102X USB-to-serial chip, a mature and widely supported interface solution that handles programming and serial communication over the Micro USB port . The CH9102X is known for its stability and high-speed data transfer capabilities, supporting baud rates well beyond what standard development work requires . It requires a one-time driver installation on most systems, after which it works smoothly with development environments including Arduino IDE, ESP-IDF, and PlatformIO.
Most of the module’s I/O pins are broken out to standard 0.1-inch headers on both sides of the board, allowing developers to connect peripherals with jumper wires or mount the board on a breadboard . The board includes a reset button (EN) and a boot button (Boot), along with a Micro USB port that serves as both the power supply and the communication interface .
Whether you are a beginner exploring IoT concepts, a hobbyist building connected projects, or a business deploying wireless solutions, the ESP32 DevKitC offers a reliable, well-supported platform that balances performance, connectivity, and cost.
Features
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ESP32-WROOM-32D module – dual-core 32-bit microprocessor with integrated Wi-Fi and Bluetooth .
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CH9102X USB interface chip – stable, high-speed USB-to-serial communication for programming and debugging.
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Micro USB interface – standard connection for power and data; widely compatible with computers and hubs .
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Dual-core processing – up to 160 MHz clock speed for demanding applications .
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Integrated Wi-Fi – 802.11 b/g/n support for wireless networking and IoT connectivity .
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Bluetooth v4.2 with BLE – supports both classic Bluetooth and Bluetooth Low Energy .
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Full pin breakout – most GPIOs exposed on standard 0.1″ headers for easy interfacing .
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On-board buttons – EN (reset) and Boot buttons for easy firmware flashing and operation .
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4 MB SPI flash – ample program and data storage for most projects .
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Breadboard compatible – standard header spacing allows direct mounting on breadboards .
Technical Specifications
Usage
Getting Started
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Install the CH9102X driver if prompted – required on most systems for first-time use .
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Connect the board to your computer using a Micro USB cable.
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Select your development environment – Arduino IDE, ESP-IDF, or PlatformIO.
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Choose the correct board and port – select “ESP32 Dev Module” or the appropriate ESP32 board definition.
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Upload your sketch or firmware.
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Press the EN button if needed to reset the board after uploading.
Power Options
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Micro USB port – default power supply (5V) and communication interface .
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5V and GND header pins – alternative power input.
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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
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IoT device development and prototyping
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Smart home automation and sensor networks
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Wireless data logging and remote monitoring
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Bluetooth Low Energy applications and beacons
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Industrial control and automation
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Wearable technology prototyping
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Educational projects and STEM learning
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OEM integration for connected products
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Corporate training and workshop demonstrations
Notes for Business Buyers
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The ESP32-WROOM-32D module is a mature, widely deployed platform with extensive community and library support.
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The CH9102X interface provides reliable programming and communication for bulk deployment.
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Standard pinout and form factor simplify integration into existing hardware designs.
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Suitable for bulk purchasing 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 CH9102X chip?
Yes. On most operating systems, a one-time CH9102X driver installation is required before the board is recognized. After installation, it works normally with development tools.
Q: What is the difference between the CH9102X and CP2102 chips?
Both are USB-to-serial converters. The CH9102X is known for stable performance and supports high baud rates. The CP2102 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 Micro 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 Wi-Fi and Bluetooth simultaneously?
The ESP32 hardware supports both Wi-Fi 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 order 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.
