The Espressif ESP32-WROVER-E-N16R8 is a high-performance Wi-Fi + Bluetooth 4.2 (BLE) module based on the ESP32-D0WD-V3 dual-core MCU (80–240 MHz). It integrates 16 MB SPI flash, 8 MB PSRAM, and a PCB antenna, supporting 802.11 b/g/n Wi-Fi and Bluetooth LE. With rich interfaces including ADC, GPIO, I²C, I²S, JTAG, PCM, SDIO, SPI, and UART, this 38-pin SMD module (18 × 31.4 × 3.3 mm) is ideal for advanced IoT, multimedia, and connected device applications.