This wireless module is great for developing IoT applications and products. It offers both WiFi and Bluetooth BLE 4.0 in a single package. Being a very popular wireless module, numerous support and resource articles are available online which helps you quickly prototype and build you application. The ESP-32 provides a complete set of 802.11 b / g / n / e / i wireless LAN (WLAN) and Bluetooth 4.2 solutions with minimal physical size. The chip is designed for low power and mobile consumer electronics, wear and networking equipment designed, on-chip integration of WLAN and Bluetooth all the features, with low cost, good layout features. ESP32 also provides an open platform that allows users to flexibly customize the functionality for different application scenarios.