> ## Documentation Index
> Fetch the complete documentation index at: https://instro.nominal.io/llms.txt
> Use this file to discover all available pages before exploring further.

# BK914X

> A driver for [`InstroPSU`](/psu)

<Card title="B&K Precision 914x" horizontal href="/psu/BK914X">
  <img src="https://mintcdn.com/nominal/vd1fIohbHX0IE-nH/snippets/drivers/psu/bk-precision-914x/image.png?fit=max&auto=format&n=vd1fIohbHX0IE-nH&q=85&s=dde6f073b6fc2f2d4ba75b3d8ae9b236" style={{ width: "100%", height: "100px", objectFit: "contain" }} noZoom alt="B&K Precision 914x" width="500" height="235" data-path="snippets/drivers/psu/bk-precision-914x/image.png" />
</Card>

The [`BK914X`](https://nominal-io.github.io/instro/instruments/psu/#bk-precision-914x-multi-channel) provides a driver that can be used to instantiate an [InstroPSU](/psu).

## Creating an [`InstroPSU`](/psu) with [`BK914X`](https://nominal-io.github.io/instro/instruments/psu/#bk-precision-914x-multi-channel)

```python theme={null}
from instro.psu.drivers import BK914X
from instro.psu import InstroPSU

psu = InstroPSU(
    name="myPSU",
    driver=BK914X(visa_resource="USB0::..."),
    num_channels=3,  # 1-3, depending on the exact 914X model
)
```

Parameters and methods specific to [`BK914X`](https://nominal-io.github.io/instro/instruments/psu/#bk-precision-914x-multi-channel) can be found in the [SDK](https://nominal-io.github.io/instro/).