This CH340C USB to TTL/UART Adatper is very suitable for electronic engineering development or burning various firmware.Compared to other USB to TTL UART adapters, this adapter not only supports 3.3V and 5V logic levels, but also adds support for 1.8V and 2.5V logic levels.At the same time it is equipped with a protective plastic case, this protective plastic case can effectively prevent static interference and various short circuits.

Specification:

Model: SH-U07A
Main chip: WCH CH340C
Pin Definition: CTS,RTS,RXD,TXD,GND,VCC,DSR,R1,DCD,DTR
Output VCC: 1.8V/2.5V/3.3V/5V
TTL Level: 1.8V/2.5V/3.3V/5V
USB interface: 2.0
The maximum speed: 2Mbps

About indicator LED:
PWM LED:Power Indicator
RXD LED:The data transmission indicator flashes when there is data from the USB port.
TXD LED:The data receiving indicator flashes when the USB port receives data.

List of supported systems
Windows 7,8,10

Packing list:
1 X SH-U07A USB to TTL Adapter with a plastic case
1 X User Manual
1 X 4 PIN DuPont cable

WARRANTY:
DSD TECH offers a 1-year warranty and lifetime technical support for this USB to TTL adapter。If you meet any question, Please contact us, We will fix your issue within 24 hours.