ESP8266 ESP-01 WIFI Transceiver Wireless Module With Adapter Module

Description ESP8266 ESP 01 WIFI Transceiver Wireless Module Upgraded Version ESP 01 all Flash are upgraded to 1M byte Also support Cloud service remote transmission This Upgraded Version module are fully supports the previous firmware The latest firmware version 1 0 1 the default baud rate of 115200 AT CIOBAUD to change the baud rate because the old version of the module is 512k bytes of storage space is not enough so we can not upgrade the 1 0 1 version but also support the cloud services Serial Wi Fi Wireless Adapter Module A adapter module for ESP 01 Wi Fi module 3 3V voltage regulator circuit and onboard level conversion circuit can make 5V microcontroller easy to use with ESP 01 Wi Fi module Also the item can be used with UNO R3 or compatible board Here is schenmatic http img banggood com file products 20160408023336ESP 01 20Adapter 20module 20Schenmatic pdf Features Working voltage 4 5 5 5V On board 3 3V LDO Regulator Working current 0 240mAInterface logic voltage 3 3V 5V compatible On board level shift circuit Note We dont offer any supports sorry for the inconvenience Package included 1 x Upgraded Version 1M Flash ESP8266 ESP 01 WIFI Transceiver Wireless Module1 x ESP 01 Adapter module