At the core of this module is the ESP32 chip, offering scalability and self-adaptation. Clock frequency can be adjusted from 80MHz to 240MHz, supporting RTOS. It's a general-purpose Wi-Fi+BT+MCU module. The Nodemcu-32s module integrates Bluetooth, Bluetooth Low Energy, and Wi-Fi. It boasts a wide range of applications: Wi-Fi supports diverse communication connections and direct internet access via routers, while Bluetooth allows users to connect to mobile phones or broadcast Beacons for signal detection. Data transmission rates supported by the module reach up to 150 Mbps, with antenna output power at 20 dBm, enabling wide-range wireless communication. 802.11b/g (802.11n, up to 150 Mbps) 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//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 local upgrade via serial port and firmware over-the-air (FOTA) upgrades General AT commands can be used quickly Supports secondary development, integrated Windows, Linux development environments Type: Development Board Color: Black Material: PCB Package Contents: 1 x Development Board Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1-3 cm.