Item specifics
Description
Original ESP32-S3-WROOM-1U-N16R8 module development board, dual-core Xtensa 32-bit LX7 @240MHz, 16MB Flash, 8MB PSRAM. Supports 2.4G WiFi and BLE 5.0. PCB onboard antenna or IPEX connector optional. Ideal for AIoT, smart home, voice recognition, edge computin
Application features:
◆ Module Models
ESP32-S3-WROOM-1U (IPEX antenna connector)
ESP32-S3-WROOM-1U-N16R8 (16MB Flash + 8MB PSRAM)
◆ Core
Dual-core Xtensa 32-bit LX7 processor
◆ Clock Speed
Up to 240MHz
◆ Memory
Flash: 16MB (N16R8 version)
PSRAM: 8MB (N16R8 version)
◆ Wireless Connectivity
Wi-Fi: 2.4GHz (802.11 b/g/n)
Bluetooth: BLE 5.0 (Bluetooth Low Energy)
◆ Antenna
ESP32-S3-WROOM-1U: IPEX connector (external antenna)
N8R2 version: PCB onboard antenna
◆ Interfaces & Peripherals
45 GPIO pins
USB OTG
SPI / I2C / I2S / UART / ADC / PWM
Capacitive touch sensor
Temperature sensor
Hardware encryption accelerator
ESP32-S3-WROOM-1U-N16R8 Development Environments
Arduino IDE
ESP-IDF (official framework)
MicroPython
PlatformIO
ESP32-S3-WROOM-1U-N16R8 Typical Applications
AIoT nodes
Smart home gateway
Voice recognition assistant
Edge computing devices
Image recognition (with camera)
Wearable devices
Industrial automation
ESP32-S3-WROOM-1U-N16R8 Key Advantages
Original genuine ESP32-S3 chip
Dual-core 240MHz high performance
Large Flash + PSRAM capacity
AI instruction extension support
Low power Bluetooth 5.0
USB OTG direct connection
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FAQ
1. What is ESP32-S3-WROOM-1U-N16R8?
The ESP32-S3-WROOM-1U-N16R8 is a general-purpose Wi-Fi + Bluetooth® LE MCU module from Espressif. It is built around the ESP32-S3R8 chip, featuring powerful neural network computing and signal processing capabilities, designed specifically for the AI and AIoT markets. The module comes in an SMD package, measuring 19.2mm × 18mm.
2. What are the key specifications of ESP32-S3-WROOM-1U-N16R8?
Key specifications include:
Processor: Xtensa® 32-bit LX7 dual-core processor, up to 240 MHz
3. What package does ESP32-S3-WROOM-1U-N16R8 use?
It uses a 41-SMD module package, measuring 19.2mm × 18mm × 3.2mm, with surface mount type. Moisture Sensitivity Level is MSL 3 (168 hours).
4. What applications is ESP32-S3-WROOM-1U-N16R8 suitable for?
This module is widely used in Artificial Intelligence (AI) , AIoT, smart home, industrial control, wearable devices, voice recognition, image recognition, and more.
5. What development tools support ESP32-S3-WROOM-1U-N16R8?
Development can be done using Espressif's official ESP-IDF (IoT Development Framework), supporting the ESP32-S3-DevKitC-1 development board. The module is also supported by Arduino IDE, MicroPython, PlatformIO, and other mainstream development platforms.
6. What is the operating temperature range of ESP32-S3-WROOM-1U-N16R8?
The operating temperature range is -40°C to +65°C (ambient temperature).
7. What is the memory capacity of ESP32-S3-WROOM-1U-N16R8?
16MB Flash (Quad SPI) + 8MB PSRAM (Octal). The chip also integrates 384KB ROM and 512KB SRAM.
8. What antenna interface does ESP32-S3-WROOM-1U-N16R8 use?
This model uses a U.FL / IPEX connector (antenna not included) for connecting an external antenna. Users can choose an external antenna based on their needs for better signal coverage.
9. What peripheral interfaces does ESP32-S3-WROOM-1U-N16R8 support?
It supports a rich set of serial interfaces, including ADC, GPIO, I2C, I2S, SPI, PWM, UART, USB, SDIO, JTAG, and more.
10. What is the difference between ESP32-S3-WROOM-1U-N16R8 and ESP32-S3-WROOM-1?
The main difference lies in the antenna type: ESP32-S3-WROOM-1 uses a PCB onboard antenna, while ESP32-S3-WROOM-1U uses a U.FL / IPEX connector for an external antenna. Both models have identical functionality and performance — the choice depends on your product enclosure design or signal coverage requirements.