The Amfeltec SKU-012-04 USB-to-TTL adapter from is designed to connect the Serial UART to a computer via a USB connector for testing and monitoring functions. This compact-sized adapter is easy to install and takes no space on the board as it can be connected from the outside of the computer chassis using the standard USB ports. This adapter does not require any external power supply or power connection and supports a fast connection speed that ranges from 300 bps to 2 Mbits.
The SKU-012-04 is compatible with 3.3V TTL logic signals.