This app can be used to send Wi-Fi Network credentials (Network name and Passphrase) to ESP32 or ESP8266 devices over BLE transport using the wifi-provisioning feature of ESP IDF (V3.2 and later). Supported Features - BLE based Wi-Fi Provisioning from IDF v3.2 and later - Security Level 1 - Proof of Possession (PoP) - Wi-Fi scan list Please refer https://docs.espressif.com/projects/esp-idf/en/stable/api-reference/provisioning/wifi_provisioning.html for additional information.