Features ???? LOW POWER CONSUMPTION: This is a 2.4 GHz dual-mode WLAN and Bluetooth development board with faster transmission speed and higher efficiency. Extremely low power consumption is very energy efficient and works well with integrated development environments. ???? INTEGRATION: The NodeMCU module of the ESP32 development board integrates antenna and RF baluns, power amplifiers, low-noise amplifiers, filters, and power management modules. ???? STABLE PERFORMANCE: ESP32 module supports LWIP protocol and Freertos, stable structure and excellent performance. The modules are safe, reliable and scalable for a wide range of applications, so you can use them with confidence. ???? THREE MODES: ESP32 development board module supports AP, STA, AP and STA three modes, with diverse functions and flexible use. With scalability and adaptive capacity. ???? WIDE RANGE OF APPLICATIONS: The development board Wi-Fi supports a variety of communication connections, but also supports a direct connection to the Internet through the router, while Bluetooth allows users to connect to a mobile phone or send beacons for signal detection. Specification: Item Type: ESP32 Development Board Product Model: ESP32 30PIN Working Temperature: 50℃ Output Voltage: 70-500V Wireless Type: Bluetooth, 802.11bgn Connectivity: Bluetooth, WiFi Processor Speed: 2.4GH Package List: 1 x ESP32 Development Board Package List 1 x ESP32 Development Board