QT3 Xplained Pro can be connected to several Xplained Pro MCU boards and manually connected to other hardware. Xplained Pro MCU board(s) that does not have 3.3V as it's primary target voltage will read all ID devices on connected extensions to check if they support the target voltage before enabling it to the extension headers. The table below shows the static content written in the ID chip.
| Data field | Content |
|---|---|
| Product name | QT3 Xplained Pro |
| Minimum operation voltage | 2.7V |
| Maximum operation voltage | 5.5V |
| Maximum current | 32mA |