> For the complete documentation index, see [llms.txt](https://teravolt.gitbook.io/teravolt/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://teravolt.gitbook.io/teravolt/peripherals/usb-to-ttl-converter/features.md).

# Features

<figure><img src="/files/oeuMR54pfl6qObPb3kNl" alt=""><figcaption></figcaption></figure>

* Based on FT231XQ-R by FTDI (USB to UART bridge)
* USB Type-C connector for modern devices
* Selectable I/O voltage: 3.3V or 5V via slider switch
* TX and RX activity LEDs for real-time communication monitoring
* Power LED for visual power status
* Two JST-GH connectors:
  * 4-pin: VCC, TX, RX, GND
  * 6-pin: RST, RX, TX, VCC, CTS, GND
* Compact, robust, and beginner-friendly
* Fully open-source hardware