Waveshare NodeMCU-32S ESP32 WiFi+Bluetooth Development Board Overview 1. This is the NodeMCU development board based on ESP32, features WiFi+Bluetooth connectivity, onboard CP2102 and keys. What's more, all the IO pins of ESP-WROOM-32 module are accessible via the extension headers. 2. Thanks to the rich open-source resources, it supports development in various ways such as LuaAT commandsMicroPythonArduinoIOT source code, etc. helps you to fast prototype IoT applications. Features 1. Onboard ESP-WROOM-32 module 2. Onboard CP2102, USB to UART converter 3. USB port for power input, firmware programming, or UART debugging 4. 2x19pin extension headers, breakout all the IO pins of the module 5. 2x keys, used as reset or user-defined Applications The NodeMCU-32S suit for IOT applications such as: 1. Smart home 2. Intelligent building 3. Industrial automation 4. Wearable devices 5. IP camera 6. Intelligent agriculture Specifications 1. WIFI module: ESP-WROOM-32 2. Processor: ESP32-D0WDQ6 3. Built-in Flash: 32Mbit 4. Antenna: Onboard PCB antenna 5. Peripheral interface: UARTGPIOADCDACSDIOPWMI2CI2S 6. WiFi protocol: IEEE 802.11 bgn 7. Bluetooth: Bluetooth 4.2 8. Frequency range: 2.4G ~ 2.5G (2400M ~ 2483.5M) 9. WIFI mode: Station SoftAP SoftAP+Station 10. Power supply: 5V 11. Logic level: 3.3V 12. Dimensions: 48.26mm x 25.4mm 13. Weight: 10g 14. Packing List: NodeMCU-32S x1