Geekcreit ESP8266 Serial Wi-Fi Wireless ESP-01 Adapter Module 3.3V 5V Compatible For Arduino


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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 Arduino UNO R3 or compatible board.

Here is schenmatic:

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)

Note: The item can be used with item 947259, item 947259 is not included!

Package included:

1 x ESP-01 Adapter module