Esphome esp32 cam
Press the Upload bottom at the bottom right of the editor. This will save, compile and upload the new firmware to the ESP32 (OTA). Storing WiFi creds and OTA/API passwords in secret file ¶. Just like with Home Assistant, ESPHome has a secrets.yaml in which you can store stuff like WiFi credentials. This allows you to keep secret data away from your config files and also adds consistency.