ESP8266 is a highly integrated chip designed for the needs of a new connected world. It offers a complete and self-contained Wi-Fi networking solution..
The 9V Battery Snap Connector with Power Plug is provides the ability to conveniently use a 9V battery to power many common boards and modules.
such ..
ESP8266 is a highly integrated chip designed for the needs of a new connected world. It offers a complete and self-contained Wi-Fi networking solution..