<p>1. Adopts CH340 to serial port chip, stable performance and good compatibility.</p> <p>2. The adapter board integrates 1000uF solid capacitor to current supply.</p> <p>3. The WIFI module not freeze and become unresponsive due to power problems,which improves the working stability of the serial port and is beautiful and stylish.</p> <p>4. Adopts 3225 chip crystal oscillator.</p> <p>5. This adapter is simple in design and can easily connect ESP8266 to PC through the serial port.</p> <p>Module Function:Converter</p> <p>Sensor Function:Current</p> <p>Note:This module is only a USB to serial module, which is only responsible for converting the USB interface into a serial port suitable for the ESP8266 module.For all the convenient knowledge of WIFI, please refer to the relevant information of ESP8266 module!</p> <p>Due to different batches, the product appearance and printed text , but it not affect the use.</p> <p>Colour:Black</p> <p>Material:Plastic</p> <p>Package Contents:</p> <p>1 * Module rotation board</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>