The ESP32-D0WD with RF System on a Chip - SoC SMD IC is a Dual Core Microcontroller (MCU) manufactured by Espressif. It features a QFN48-pin, 5x5mm package, Dual Core MCU, and integrated WiFi & Bluetooth Combo. With two Xtensa LX6 cores operating up to 240 MHz, 4MB of ROM and 448Kb of SRAM, the ESP32-D0WD is capable of providing high-speed communication and processing power while consuming very low power. The ESP32-D0WD with RF System on a Chip also includes a wide range of peripherals for extensive application development, such as: 16-bit Sigma-delta ADC, GPIO, UART, I2C, I2S, and SPI. The device includes a powerful security engine, which protects the data stored in the external flash and enhances networking security. Additionally, it features a state machine and a dedicated sensor processor for low-power operations.