# hmc1119 ## Channel Attributes ### voltage0 | Name | sysfs filename | Default value | | ---- | -------------- | ------------- | | hardwaregain | out_voltage0_hardwaregain | | **iio_attr example:** ```bash iio_attr -u ip:analog -c hmc1119 voltage0 hardwaregain ``` **Python bindings example:** ```python import iio ctx = iio.Context("ip:analog") dev = ctx.find_device("hmc1119") chan = dev.find_channel("voltage0") rval = chan.attrs["hardwaregain"].value ``` ***