Description:
<br /> 
<br />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.
<br />Also, the item can be used with Arduino UNO R3 or compatible board.
<br />
<br />Here is schenmatic: http://img.banggood.com/file/products/20160408023336ESP-01%20Adapter%20module%20Schenmatic.pdf
<br /> 
<br />Features:
<br /> 
<br />Working voltage: 4.5~5.5V (On-board 3.3V LDO Regulator)
<br />Working current: 0-240mA
<br />Interface logic voltage: 3.3V / 5V compatible(On-board level shift circuit)
<br />
<br />
<br />
<br />Package Included:
<br />
<br />   1 x ESP-01 Adapter Module<p> <b><b><img src="https://contestimg.wish.com/api/webimage/57902dd30981577f9b000567-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/57902dd30981577f9b000567-6-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/57902dd30981577f9b000567-7-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/57902dd30981577f9b000567-8-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/57902dd30981577f9b000567-9-large.jpg></b></b></p>