Key benefits Flexible performance: clock frequency adjustable from 80 MHz to 240 MHz and supports RTOS for reliable realtime operation. Allinone wireless MCU: core is the ESP32, a scalable and selfadaptive processor suitable for a wide range of applications. Versatile connectivity: WiFi enables direct internet access through routers and network connections; Bluetooth allows pairing with mobile devices or broadcasting BLE beacons for signal detection. Integrated wireless platform: the Nodemcu32s module combines traditional Bluetooth, Bluetooth Low Energy and WiFi in a single compact module. Compact generalpurpose module: designed for embedded projects requiring integrated wireless communication and flexible processing. Core attributes Function: generalpurpose MCU module with WiFi, Bluetooth, and BLE support. Compatibility: ESP32based with RTOS support for flexible software development and reliable operation. Performance: clock range 80 MHz to 240 MHz, scalable and selfadaptive core. Form factor: compact MCU module suitable for embedded applications. Connectivity: WiFi, Bluetooth Classic, and Bluetooth Low Energy integrated in one package. Use scenarios Smart home hub or gateway: coordinates sensors and devices over WiFi and BLE, enabling centralized control and data collection. IoT sensor networks: wireless sensors in buildings or industrial environments communicate over WiFi and BLE, with BLE beacons for presence and proximity signaling. Mobileconnected devices and beacons: devices pair with smartphones for control or broadcast BLE beacons for proximitybased features and detection. Notes The description reflects the original model Nodemcu32s with its integration of Bluetooth, BLE and WiFi, and the ESP32 core with adjustable clock and RTOS support.