The ESP32-WROOM-32D(16MB) with WIFI Modules Module RoHS is a microcontroller manufactured by Espressif that is based on its ESP32 system-on-chip. It features a 32-bit dual-core processor, 4MB of integrated RAM, and 16MB of SPI flash. The module supports Wi-Fi and Bluetooth connectivity, and it’s equipped with 34 digital pins, 16 analog pins, Ethernet, USB, and I2C communications interfaces. This all-in-one solution eliminates the need for external components such as RF transceivers, and simplifies board design. It’s ideal for Wi-Fi or Bluetooth-controlled connected home devices, energy-saving tasks, and more. The module is also RoHS-compliant, meaning that it meets the strictest environmental standards.