The ESP32 30-Pin Development Board with ESP-WROOM-32 combines a dual-core microcontroller platform with built-in 2.4GHz Wi-Fi and Bluetooth connectivity in a compact development-board format.
Based on the ESP-WROOM-32 platform, the board provides a dual-core 32-bit Xtensa LX6 processor operating at up to 240MHz, along with 520KB SRAM and 4MB Flash memory. The ESP32 platform provides a broad set of peripherals including ADC, DAC, PWM, UART, SPI, I²C, I²S and capacitive-touch functionality, making it suitable for a wide variety of connected electronics projects.
The board uses a 30-pin layout and includes a Micro-USB interface with USB-to-serial programming support, making it convenient for firmware development and programming. Its wireless capabilities allow projects to communicate with Wi-Fi networks and Bluetooth devices without requiring a separate wireless communication board.
It is well suited for developing IoT devices, wireless sensor systems, automation projects, connected displays, remote-control applications and other microcontroller-based electronics projects.
Detailed Product Attributes
- Board Type: ESP32 Development Board
- ESP32 Platform: ESP-WROOM-32
- Processor: Tensilica Xtensa Dual-Core 32-bit LX6
- Maximum Clock Frequency: Up to 240MHz
- Wi-Fi: 2.4GHz IEEE 802.11 b/g/n
- Bluetooth: Bluetooth v4.2 Classic + BLE
- SRAM: 520KB
- Flash Memory: 4MB
- Pin Count: 30 Pins
- USB Interface: Micro-USB
- USB-to-Serial: CP2102 / CH340 interface as listed for the board
- Logic Voltage: 3.3V
- Antenna: On-board PCB antenna
- Mounting: Breadboard-compatible
- Package Quantity: 1 Board
Technical Specifications
| Specification | Details |
|---|---|
| Microcontroller Platform | ESP32 / ESP-WROOM-32 |
| Processor | Tensilica Xtensa Dual-Core 32-bit LX6 |
| Maximum Clock Speed | Up to 240MHz |
| SRAM | 520KB |
| Flash Memory | 4MB |
| Wi-Fi | IEEE 802.11 b/g/n, 2.4GHz |
| Bluetooth | Bluetooth v4.2 Classic + BLE |
| GPIO / Pin Layout | 30-pin development-board layout |
| ADC | Supported |
| DAC | Supported |
| PWM | Supported |
| UART | Supported |
| SPI | Supported |
| I²C | Supported |
| I²S | Supported |
| Capacitive Touch | Supported by ESP32 platform |
| USB Interface | Micro-USB |
| USB-to-Serial | CP2102 / CH340 |
| Logic Voltage | 3.3V |
| Antenna | On-board PCB antenna |
| Mounting | Breadboard-compatible |
| Quantity | 1 Board |
Technical Specification Pointer
ESP-WROOM-32 based dual-core ESP32 development board with 240MHz processing, 520KB SRAM, 4MB Flash, 2.4GHz Wi-Fi, Bluetooth Classic + BLE and a 30-pin development-board layout.
Key Features
- Dual-Core ESP32 Processing: Xtensa LX6 dual-core processor with operation up to 240MHz.
- Built-In Wi-Fi: Integrated 2.4GHz IEEE 802.11 b/g/n wireless connectivity.
- Bluetooth + BLE: Supports Bluetooth Classic and Bluetooth Low Energy applications.
- 4MB Flash Memory: Provides onboard storage for firmware and application data.
- 520KB SRAM: Provides memory for microcontroller applications and connected-device tasks.
- Multiple Peripheral Interfaces: Supports ADC, DAC, PWM, UART, SPI, I²C and I²S functionality.
- 30-Pin Development Board: Provides convenient access to the ESP32’s available interfaces.
- USB Programming: Micro-USB interface with USB-to-serial connectivity for development.
- Breadboard-Compatible: Suitable for prototyping and circuit development.
Recommended Applications
- IoT devices
- Wireless sensor systems
- Home automation projects
- Environmental monitoring
- Wi-Fi-enabled data logging
- Bluetooth-enabled devices
- Remote-control projects
- Web-connected microcontroller projects
- Smart electronics prototypes
- Embedded electronics projects
- Robotics and automation projects
Educational Applications
Suitable for learning and experimenting with:
- ESP32 programming
- Wi-Fi communication
- Bluetooth and BLE communication
- IoT fundamentals
- Sensor data transmission
- Wireless automation
- Microcontroller programming
- GPIO and peripheral interfaces
- Web-connected electronics
- Embedded systems development
Project Possibilities
The board can be used to develop projects such as:
- Wi-Fi-enabled weather monitoring systems
- Wireless sensor nodes
- Bluetooth-controlled devices
- IoT data loggers
- Remote monitoring systems
- Smart home prototypes
- Web-controlled electronics
- Wireless automation systems
- Connected robotics projects
- Sensor dashboards
Compatibility Notes
- The ESP32 uses 3.3V logic. External components should be connected according to their required voltage and electrical specifications.
- ESP32 GPIO capabilities and restrictions vary by pin, so individual GPIO pins should be selected according to the ESP32 documentation.
- Wi-Fi and Bluetooth functionality is provided by the ESP32 platform and can be used through supported development frameworks and software libraries.
- USB-to-serial drivers may be required on some computers depending on the USB-to-serial interface used by the board.
What’s Included
- 1 × ESP32 30-Pin Development Board with ESP-WROOM-32
Important Notes
- This is a Generic ESP32 development board, not an official Espressif-branded development board.
- The board uses 3.3V logic; do not treat ESP32 GPIO pins as 5V-tolerant by default.
- Do not exceed the applicable electrical limits of the ESP32 or individual GPIO pins.
- Wireless range and communication performance depend on the environment, antenna conditions, software and connected devices.
- The USB-to-serial interface is intended for programming and serial communication with the development board.
- The exact USB-to-serial implementation may be CP2102 or CH340 as indicated by the product configuration.
Product Summary
The ESP32 30-Pin Development Board with ESP-WROOM-32 is a versatile wireless microcontroller platform combining dual-core 240MHz processing, 520KB SRAM, 4MB Flash, 2.4GHz Wi-Fi, Bluetooth Classic and BLE in a compact development-board format. With multiple digital and analog interfaces and USB programming support, it is suitable for IoT, automation, wireless sensor, embedded electronics and STEM projects.
Snigdhanjali Pattnaik –
Best board for IoT. Powerful, built-in WiFi/BT, and great value for money.