ESP-01S โมดูล Wi-Fi ESP8266

Replaced by ESP-01 A new updated version ESP-01S , small updates.

This is a wifi solution based on IC ESP8266 from Espressif, very price competitive wifi module, and also great function. Bring your project to the internet of things easily!

Features:

• 1MB (8Mbit) Flash size.
• Very competitive price
• AP, STA, AP+STA modes available.
• Very simple AT commands, easy to use.
• Internal LWIP interface.
• Only four pins interface, VCC-3V3, GND, TXD and RXD.
• Latest firmware. New IC ESP8266ex