Description:
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.
Also, the item can be used with Arduino UNO R3 or compatible board.
Here is schenmatic: https://img.staticbg.com/file/products/20160408023336ESP-01%20Adapter%20module%20Schenmatic.pdf
Features:
Working voltage: 4.5~5.5V (On-board 3.3V LDO Regulator)
Working current: 0-240mA
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:
3 x ESP-01 Adapter module