At the core of this module is the ESP32 chip, offering scalability and self-adaptation. The clock frequency is adjustable from 80MHz to 240MHz, and it supports RTOS. This is a versatile Wi-Fi + BT + MCU module. The Nodemcu-32s module integrates Bluetooth, Bluetooth Low Energy, and Wi-Fi, providing a wide range of applications. Wi-Fi supports extensive communication connections and direct internet access via routers, while Bluetooth allows users to connect to mobile phones or broadcast Beacons for signal detection. The module supports data transfer speeds up to 150Mbps, with an antenna output power of 20dBm, enabling long-distance wireless communication. Key Features: 802.11b/g (802.11n, up to 150Mbps) WIFI frequency range: 2400~2483.5MHz Clock frequency adjustment range: 80MHz to 240MHz Supports RTOS Built-in 2-channel 12-bit high-precision ADC, up to 18 channels Supports UART/GPIO/ADC/DAC/SDIO/PWM/I2C/I2S interfaces Supports multiple sleep modes; ESP32 chip sleep current is less than 5µA Embedded Lwip protocol stack Supports STA/AP/STA+AP working modes Supports serial port local upgrade and remote firmware upgrade (FOTA) General AT commands for quick use Supports secondary development, integrated Windows, Linux development environment Type: Development Board Color: Black Material: PCB Package Contents: 1 x Development Board Only the above package content is included; other products are not. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real thing. The allowed measurement error is +/- 1-3cm.