All electronics ship with US style plugs.You may need a voltage converter or a plug adapter.
Special Features
This latest version esp-01s WiFi module with stronger signal and 4 MB Flash Memory, it is upgraded from 512KB.
About program: Please choose "Generic ESP8285 Module" board in Arduino IDE to program it.
ESP-01s adapter's PCB layout has changed for an improvement in WiFi radio performance. Compatible with Ar duino. Support 3 modes: AP, STA, AP + STA
The ESP 01S is DOUT protocol, please choose SPI MODE as DOUT when you program it
Please feel free to contact us if you have any question about how to use it. How to email us? Please click “Stemedu”(you can find "Sold by Stemedu" under Buy Now button), in the new page, click “Ask a question” to email us