ESP32 WROOM Chip

ESP32 WROOM Chip is a powerful, energy-efficient, and feature-rich Wi-Fi + Bluetooth module designed for next-generation IoT, automation, and embedded applications. Built on the advanced ESP32 dual-core Xtensa® 32-bit LX6 microprocessor, this module offers exceptional performance, flexible connectivity, and industry-leading reliability. With integrated Wi-Fi (802.11 b/g/n) and Bluetooth 4.2 (BR/EDR + BLE), the ESP32 WROOM makes it easy for developers, engineers, and hobbyists to build smart, scalable, and cost-effective connected solutions.

Engineered for robust wireless communication and low-power operation, the ESP32 WROOM is ideal for battery-powered devices, cloud-connected systems, and real-time control applications. Its compact size, wide operating temperature range, and rich peripheral set make it a versatile choice for industrial, commercial, and consumer electronics projects.

Key Specifications

• Processor: Dual-core Xtensa® 32-bit LX6 CPU, up to 240 MHz

• Memory:

  • 448 KB ROM

  • 520 KB SRAM

  • Integrated 4 MB Flash (varies by module version)

• Wireless Connectivity:

  • Wi-Fi 802.11 b/g/n

  • Bluetooth v4.2 BR/EDR + BLE

• Security Features:

  • Secure Boot

  • Flash Encryption

  • AES, SHA-2, RSA, ECC hardware accelerators

• Operating Voltage: 3.0V – 3.6V

• Operating Temperature: –40°C to +85°C

• Interfaces & Peripherals:

  • 34 GPIOs

  • UART, SPI, I²C, I²S

  • PWM, ADC (12-bit), DAC (8-bit)

  • CAN Bus support

  • Touch sensor interface

• Power Consumption:

  • Ultra-low-power modes

  • Deep sleep current <5 µA

• Dimensions: Compact SMD module, ideal for PCB integration

• Certifications: CE, FCC, IC (varies by version)

Top Features of the ESP32 WROOM Chip

1. High Processing Power

The dual-core LX6 processor delivers exceptional performance for multitasking, real-time operations, and complex IoT applications. It supports FreeRTOS and compatible SDKs, enabling developers to build advanced embedded solutions efficiently.

2. Integrated Wi-Fi + Bluetooth Connectivity

With both Wi-Fi and Bluetooth built in, the ESP32 WROOM allows seamless connectivity for smart home devices, wireless sensors, gateways, and wearable tech. The BLE support ensures low-energy communication, while classic Bluetooth enables audio streaming and legacy device connections.

3. Low-Power Performance

The module is optimized for energy-efficient operation, offering multiple sleep modes that significantly extend battery life. This makes it ideal for portable and power-sensitive IoT devices.

4. Rich Peripheral Interfaces

The ESP32 WROOM includes a variety of digital and analog interfaces, allowing flexible integration with sensors, actuators, displays, motors, and other external components.

5. Strong Security

Built-in encryption engines and secure boot functionalities protect firmware, data, and communication—critical for today’s connected ecosystems.

6. Compact, Reliable, and Easy to Integrate

Its small footprint and surface-mount design make the ESP32 WROOM easy to integrate into custom PCB designs while maintaining optimal RF performance.

Applications of ESP32 WROOM Chip

1. IoT Devices & Smart Home Automation

Perfect for smart lights, switches, thermostats, home security systems, voice-controlled appliances, and cloud-connected sensors.

2. Wearables & Health Monitoring Systems

Low power consumption and Bluetooth BLE make it ideal for fitness trackers, health monitors, and portable wireless devices.

3. Industrial Automation

Used for wireless machine control, data logging, remote monitoring, PLC interfaces, and predictive maintenance systems.

4. Robotics & Drones

High processing capability and versatile I/O support enable stable control, real-time communication, and sensor integration.

5. Wireless Sensor Networks

Suitable for environmental monitoring, smart agriculture, smart energy meters, and long-range wireless data collection systems.

6. Consumer Electronics

From smart toys to multimedia devices, the ESP32 WROOM powers a broad range of innovative consumer products.

The ESP32 WROOM Chip is a complete connectivity solution that delivers performance, flexibility, and low-power operation—making it the go-to module for modern IoT and embedded applications. Whether you’re designing a commercial product or experimenting with a DIY project, this module empowers you to build smarter, faster, and more efficiently.