ESP32-D0WD core
Supports multiple external QSPI flash and SRAM chips
32Mbits 3.3V SPI flash
802.11 b/g/n (802.11n up to 150Mbps) Wi-Fi protocol
Bluetooth v4.2 BR/EDR and BLE
SD card, UART, SPI, SDIO, I2C, LED PWM, Motor PWM, I2S, and IR module interfaces
Hall sensor