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, allowing it to either host the application or to offload all Wi-Fi networking functions from every other application processor.
Serial/UART baud rate: 115200 bps
Input power: 3.3V
I/O voltage tolerance: 3.6V Max
Flash Memory Size: 1MB (8Mbit)
WiFi security modes: WPA, WPA2
4 * ESP8266 Wifi Transceiver Module
Note:There are a batch of this ESP01 modules are the new grade version. Possibly there are some different between the new one and old one within the aspect of usage. Pls feel free to email us in case you have any question about The way to use the new vertion module. The way to email us? Click “MakerFocus” and click “Ask a question”. There may be the best way to guide you to make use of the new version within the pictures, pls refer to the pictures carefully.
Version II to test this module youtube tutorial: https://youtu.be/HDt8FS9t6lI ; Version I youtube tutorial: https://www.youtube.com/watch?v=qU76yWHeQuw
Link to view the technical details, https://nurdspace.nl/ESP8266, Introduction: https://github.com/sleemanj/ESP8266_Simple
Model: Esp-01.Compatible with Arduino. Strengthen 3 modes: AP, STA, AP + STA
For those who receive different versions module， please carefully follow the pictures and youtube video to test.