ESP32-S3-WROOM-1U-N16R8 Wi-Fi + Bluetooth Module with External Antenna Connector

The ESP32-S3-WROOM-1U-N16R8 is an official Espressif System-on-Module (SoM) based on the powerful ESP32-S3 series MCU. It features dual-core Xtensa® LX7 processors, integrated 2.4GHz Wi-Fi and Bluetooth 5 (LE), 16MB Flash, 8MB PSRAM, and an IPEX/U.FL connector for an external antenna, making it ideal for high-performance wireless IoT and AIoT applications.

Key Features

• Official Espressif ESP32-S3 module
• Dual-core Xtensa® LX7 processor up to 240MHz
• Integrated 2.4GHz Wi-Fi and Bluetooth 5 LE
• 16MB onboard Flash memory
• 8MB onboard PSRAM
• External antenna connector (U.FL/IPEX)
• Supports AI and Edge Machine Learning applications
• Rich peripheral interfaces including SPI, I2C, UART, I2S, USB OTG, CAN and PWM
• Hardware acceleration for cryptographic operations
• Optimized for low-power IoT applications

Technical Specifications

Applications

• IoT and Smart Home Devices
• Industrial Automation
• Wireless Sensor Networks
• Edge AI and Machine Learning
• Wearable Electronics
• Smart Agriculture Systems
• Wireless Data Acquisition Systems
• Robotics and Embedded Systems

Important Notes

• An external 2.4GHz antenna with U.FL/IPEX connector is required for wireless communication.
• Ensure proper RF layout practices when designing the PCB.
• The module operates at 3.3V logic levels and is not 5V tolerant.
• Follow Espressif hardware design guidelines for optimal RF performance.
• Use ESD precautions while handling the module.
• Programming and debugging can be performed through UART or native USB interface.

Resources

• ESP32-S3-WROOM-1U-N16R8 Datasheet
• CAD Models, Symbols and PCB Footprints