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ESP8266 Serial WiFi Wireless ESP-01 Adapter Board Module 3.3V 5V Compatible Serial Module For Arduino ESP-01

Regular price $4.98

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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 For Arduino UNO R3 or compatible board.


  • Working voltage: 4.5~5.5V (On-board 3.3V LDO Regulator)
  • Working current: 0-240mA
  • Interface logic voltage: 3.3V / 5V compatible(On-board level shift circuit)