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1MB (8Mbit) Flash size.AP, STA, AP+STA modes available.Very simple AT commands, easy to use.Low-power consumption and smallInternal LWIP interface.Only four pins interface, VCC-3V3, GND, TXD and RXD.AT commands firmware. New IC ESP8266exThis module just have small upgradation on ESP-01 PCB board
Package included:
1 x ESP-01S Wireless Module
A part of the review has been auto-translated.
Good
Good low cost esp module. Fast shipping. Almost free with coupons. Thanks Banggood!
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