The ESP32-S3-WROOM-1-N4R2 is a multiprotocol module from Espressif that features an ESP32-S3R2 2 MB PSRAM die, 4 MB SPI flash and a PCB antenna. It is specifically designed for engineering samples and can be used in various applications such as data collection, wireless communication, AI-powered applications, and connected home solutions. The processor has Bluetooth Low Energy (BLE) and Wi-Fi radio with a low power consumption. It also has an ultra-low-power co-processor for intelligent audio and voice recognition and an integrated fast state machine for low latency response of IoT applications. The integrated 8051 core processor and the power management unit help reduce power consumption. The additional memory, such as SPI flash and PSRAM, enabling more powerful applications. The exceptionally compact design makes it ideal for space-constrained designs.