The ESP32-S3-WROOM-1-N16R2 is a high-performance Wi-Fi + Bluetooth Low Energy (BLE 5.0) MCU module from Espressif Systems, designed for AIoT, industrial automation, smart devices, HMI, and IoT applications. It integrates the ESP32-S3R2 SoC with 16 MB Flash and 2 MB PSRAM. Key Specifications Parameter Specification Manufacturer Espressif Systems Part Number ESP32-S3-WROOM-1-N16R2 CPU Dual-Core Xtensa LX7, up to 240 MHz Flash Memory 16 MB PSRAM 2 MB ROM 384 KB Internal SRAM 512 KB Wireless 2.4 GHz Wi-Fi (802.11 b/g/n), Bluetooth 5.0 LE Operating Voltage 3.0 V – 3.6 V GPIO Up to 45 GPIOs (chip dependent) Interfaces UART, SPI, I²C, I²S, PWM, ADC, USB OTG, SDIO, JTAG Antenna On-board PCB Antenna Operating Temperature -40°C to +85°C Mounting SMD Module Applications • Industrial IoT • Smart Home Automation • AI Edge Devices • Voice Recognition • Smart Displays • Data Loggers • Wireless Sensors • Robotics • Medical Devices • Consumer Electronics Package • Module Type: SMD • Dimensions: Approximately 18 × 25.5 × 3.1 mm • Integrated PCB Antenna