USB – TTL Serial Communication and Programming Adapter CH340 3.3V / 5V
Whenever you want to connect a device what comes with a serial port to your computers USB port, you will need an USB to serial adapter. The logic level can be switched between 3.3V and 5V. This adapter can be used as a USB to RS323 adapter as long the connected device accepts the lower TTL logic level.
We recommend to download the required USB driver for your operating system from WCH official website.
Specification: USB – TTL Serial Communication and Programming Adapter CH340 3.3V / 5V