This is the upgradation of ESP-01 board, had small improvement on PCB.


  • 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

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ESP-01S Wifi Module ESP8266 1MB

  • Product Code: ESP-01S
  • Availability: In Stock
  • Rs.220.00

Tags: WiFi, ESP8266, esp01s