SystemsThe ESP32-S3FN8 with WiFi Modules – 802.11 SMD IC is a dual-core microcontroller unit (MCU) with Wi-Fi 2.4GHz & BLE 5.0 combo, 8MB Octal SPI PSRAM manufactured by Espressif Systems. It has integrated 802.11 b/g/n, RF, low energy Bluetooth modules, and a host of other interesting peripherals on a single chip. It also supports several industry-standard communication protocols like Wi-Fi, Bluetooth Low Energy (BLE), ZigBee, Thread, and more. It features two 32-bit Xtensa LX6 CPUs, built-in Wi-Fi 802.11b/g/n and BLE 5.0 with antenna IPX connector, up to 8MB Octal SPI PSRAM, up to 2MB ESP32-S3FN8 flash, up to 36 GPIOs, up to 2x UART, up to 2x I2C, up to 2x SPI, up to 4x ADC, up to 2x PWM, true RTC, and temperature/humidity sensors. It is a perfect choice for low power applications such as smart home, wearables, or IOT devices.