ESP-01S Wifi Module, ESP8266, 1MB

Description This is the upgradation of ESP-01 board, had small improvement on PCB. Features: 1MB (8Mbit) Flash size. Very competitive price AP, STA, AP STA modes available. Very simple AT commands, easy to use. Internal LWIP interface. Four pins interface, VCC-3V3, GND, TXD and RXD. Two extra GPIOs can use. AT commands firmware. New IC ESP8266ex Package – All unit packaing is in tape reel, 800pcs per reel. Documentation can found on this page. ESP8266 Module Series ESP-12F Common ESP8266 module version ESP-12S  Optimized from esp-12f, better antenna singal ESP-07S  Pin compatible with esp-12, IPEX connector to get greater signal ESP-01S  General DIP PTH version, less pin lead out, easy to use ESP-01M  Vertical stand on your PCBsave space and better signal WROOM-02 Most certificated, best design by original Espressif.   Price will automatically update in cart page. $2 for more than 200pcs order.