If you're in the market for a new USB-TTL converter module the 20pcs 3.3V 5V USB to TTL Converter CH340G UART Serial Adapter Module STC is definitely worth considering.
This little device is designed to make communication between your computer and serial peripherals a breeze, with support for USB1.1 or USB2.0/USB3.0 and common MODE contact signal.

I was pleasantly surprised by how easy this USB-TTL converter module was to set up and use. It supports a wide range of operating systems from WINDOWS 98 to Win7, making it a versatile choice for anyone who needs to interface with serial peripherals. The simulation interface is a nice touch, allowing you to upgrade your peripherals without having to buy new hardware.

As a result of its small size and lightweight design, this module is also portable and convenient to use on the go. I particularly appreciated the support for IRDA SIR infrared communication which allowed me to connect with other devices wirelessly.

On the positive side this USB-TTL converter module is incredibly versatile and easy to use. It supports a wide range of operating systems and allows you to upgrade your serial peripherals with ease. The inclusion of IRDA SIR infrared communication is also a nice touch.

However, there are a few drawbacks to be aware of. Some users have reported issues with driver installation on certain operating systems, although this seems to be a relatively minor issue that can be resolved with some troubleshooting.

All in all I would highly recommend the 20pcs 3.3V 5V USB to TTL Converter CH340G UART Serial Adapter Module STC to anyone who needs an easy-to-use and versatile USB-TTL converter module. Without a doubt, this product is a winner in terms of its performance and convenience. If you're looking for a reliable way to connect your computer to serial peripherals, this module is definitely worth considering.