This is CH340 USB To TTL Module Compatible with Arduino, Raspberry Pi, AVR, PIC, 8051,WiFi Module etc.
This USBTTL converter is based on CH340G USB to Serial TTL converter chip. The module can be used for 3.3V logic level signals, the and has the option to switch from 5V to 3.3V logic level using a 2 pin shunt supplied with the module.
Package Includes :
1 x CH340 USB To TTL Module