Description <br> The core of this module is the ESP32 chip, which is scalable and self-adaptive. <br> The clock frequency can be adjusted from 80MHz to 240MHz, and it supports RTOS. It is a general-purpose Wi-Fi+BT+BLE MCU module <br> The Nodemcu-32s module integrates traditional Bluetooth, Bluetooth Low Energy and Wi-Fi. <br> It has a wide range of uses: Wi-Fi supports a wide range of communication connections and also supports direct connection to the Internet through routers; while Bluetooth allows users to connect to mobile phones or broadcast BLE Beacon for signal detection. <br> The data mission rate supported by the module is as high as 150Mbps, and the antenna output power reaches 20dBm, which can realize wide-range wireless communication <br> <br> 802.11b/g/n (802.11n, speed up to 150Mbps) <br> WIFI frequency range 2400~2483.5MHz <br> Clock frequency adjustment range 80MHz to 240MHz <br> Support RTOS Built-in 2-channel 12 bit high-precision ADC, up to 18 channels <br> Support UART/GPIO/ADC/DAC/SDIO/PWM/I2C/I2S interface <br> Support multiple sleep modes, the sleep current of ESP32 chip is less than 5μA <br> Embedded Lwip protocol stack <br> Support STA/AP/STA+AP working mode Support serial port local upgrade and remote firmware upgrade (FOTA) <br> General AT commands can be used quickly <br> Support secondary development, integrated Windows, Linux development environment <br> Type: Development Board <br> Colour:black <br> Material:PCB <br> <br> Package Contents: <br> 1 x Development Board <br> <br> Only the above package content, other products are not included. <br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. <br>