ESP32 DevKitC development board with WROOM-32D CH9102X Chip Micro USB interface

SKU: FA1053-0-1-2
Main Module

ESP32-WROOM-32D
Microcontroller

Tensilica LX6 Dual-Core 32-bit
Clock Frequency

80 MHz to 240 MHz (adjustable)
SRAM

520 KB
Flash Memory

4 MB (32 Mbit) QSPI flash
USB-to-UART Chip

WCH CH9102X
USB Interface

Micro USB
Input Voltage (USB)

5V DC
Operating Voltage (I/O)

3.3V DC
Wireless

Wi-Fi 802.11 b/g/n (2.4 GHz), Bluetooth 4.2 BR/EDR & BLE
Interfaces

UART, SPI, I²C, I²S, PWM, ADC (12-bit), DAC (12-bit), GPIO, Hall sensor, capacitive touch
Operating Temperature

-40°C to +85°C
Dimensions

Approx. 55.5mm x 28.3mm (breadboard compatible)
The ESP32-DevKitC Development Board with WROOM-32D module and CH9102X chip is a powerful, entry-level platform for Internet of Things (IoT) and embedded system development. It combines Wi-Fi and Bluetooth connectivity with a dual-core processor, offering a versatile solution for hobbyists and professionals alike.
Description
The ESP32-DevKitC is a compact and feature-rich development board designed to evaluate the capabilities of the ESP32-WROOM-32D module. At its core is the ESP32-D0WDQ6 chip, featuring a low-power dual-core 32-bit Tensilica LX6 microprocessor with an adjustable clock frequency up to 240 MHz.
This board is engineered for rapid prototyping, integrating all necessary support circuitry including a reliable CH9102X USB-to-UART bridge chip for stable serial communication and easy programming via the Micro USB interface. The pin headers on both sides break out nearly all GPIO pins, making it breadboard-friendly and adaptable to various peripherals and sensors.
With its robust connectivity options (802.11 b/g/n Wi-Fi and Bluetooth 4.2 BR/EDR and BLE), hardware encryption, and support for multiple development environments like Arduino IDE and ESP-IDF, the ESP32-DevKitC is ideal for a wide range of applications, from smart home devices and industrial automation to wearable electronics and low-power sensor networks.
Key Features
  • Integrated Connectivity: Onboard 2.4 GHz Wi-Fi (802.11 b/g/n) and dual-mode Bluetooth (Classic and BLE) capabilities.
  • Powerful Processing: Features a dual-core 32-bit CPU with up to 600 DMIPS of computing power.
  • Stable Serial Communication: Utilizes the reliable CH9102X USB-to-TTL serial chip, ensuring stable data transmission and supporting automatic download mode.
  • Rich Peripherals: Exposes numerous interfaces including UART, SPI, I²C, I²S, PWM, ADC, DAC, SD card interface, and capacitive touch sensors.
  • Flexible Power Management: Can be powered via the Micro USB port or external 5V/3.3V supply pins, with ultra-low power consumption modes for battery-powered applications.
  • Ease of Use: Breadboard-friendly design with clearly labeled pinouts, reset and boot buttons for easy operation and firmware flashing.
  • Broad Compatibility: Supports multiple development environments including the Arduino IDE, Espressif IoT Development Framework (ESP-IDF), and MicroPython.
  • Robust Security: Includes hardware encryption (WPA/WPA2/WPA2 Enterprise/WPS) and secure Over-The-Air (OTA) updates.
Technical Specifications (Parameters)
Feature Detail
Main Module ESP32-WROOM-32D
Microcontroller Tensilica LX6 Dual-Core 32-bit
Clock Frequency 80 MHz to 240 MHz (adjustable)
SRAM 520 KB
Flash Memory 4 MB (32 Mbit) QSPI flash
USB-to-UART Chip WCH CH9102X
USB Interface Micro USB
Input Voltage (USB) 5V DC
Operating Voltage (I/O) 3.3V DC
Wireless Wi-Fi 802.11 b/g/n (2.4 GHz), Bluetooth 4.2 BR/EDR & BLE
Interfaces UART, SPI, I²C, I²S, PWM, ADC (12-bit), DAC (12-bit), GPIO, Hall sensor, capacitive touch
Operating Temperature -40°C to +85°C
Dimensions Approx. 55.5mm x 28.3mm (breadboard compatible)
Usage
The ESP32-DevKitC is designed for straightforward use:
  1. Power: Connect the board to a computer using a Micro USB cable. The red power LED will light up.
  2. Driver Installation: The CH9102X chip typically installs automatically on modern Windows 10/11 and Linux systems. If not, drivers can be downloaded from the WCH official website.
  3. Development Environment Setup: Install your preferred development software, such as the Arduino IDE with the ESP32 board support package, or the official ESP-IDF (Espressif IoT Development Framework).
  4. Programming: The board supports automatic download, so you can upload your code directly from the IDE. For manual firmware download mode, hold the Boot button down, press and release the EN (Reset) button, and then release the Boot button.
  5. Prototyping: Utilize the exposed pin headers with jumper wires or a breadboard to connect sensors, actuators, and other peripherals to build your IoT projects.
Q: Is this board suitable for beginners?

Yes, the ESP32-DevKitC is an entry-level development board with extensive community support, simple programming via Arduino IDE, and a breadboard-friendly design, making it ideal for beginners.

Q: What is the difference between the CH9102X and CP2102 USB chips?

Both chips serve as USB-to-UART converters to enable communication and programming via the USB port. The CH9102X offers stable performance and often has better automatic driver installation on Windows 10/11 compared to some older CP2102 versions. They are largely interchangeable in function.

Q: Can I use this for commercial/business products?

Yes, the ESP32-WROOM-32D module at the core is a reliable, high-performance module used in various commercial applications. The board provides a robust platform for prototyping and developing market-ready IoT solutions.

Q: Does it support Python programming?

Yes, the board can be programmed using MicroPython, in addition to C/C++ via the Arduino framework or ESP-IDF.

Q: What power supply options are available?

You can power the board via the Micro USB port (5V), the 5V pin header, or the 3.3V pin header. Only one power source should be used at a time to avoid damage.

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