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 transmission 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> 802.11b/g (802.11n, 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//SDIO/PWM/I2C/I2S interface<br> Support multiple sleep modes, the sleep current of ESP32 chip is less than 5A<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 , Linux development environment<br> Type: Development Board<br> Colour:black<br> Material:PCB<br> Package Contents:<br> 3 x Development Board<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> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store