# USB Sensors library ?
**URL:** https://discourse.nodered.org/t/usb-sensors-library/24952
**Category:** Hardware
**Created:** [16 April 2020 15:04 UTC](https://discourse.nodered.org/t/usb-sensors-library/24952 "2020-04-16T15:04:12Z")
**Posts on this page:** 4
**Page:** 3
### Author:  [@knolleary](https://discourse.nodered.org/u/knolleary)
#### Post date: [19 April 2020 15:58 UTC](https://discourse.nodered.org/t/usb-sensors-library/24952/41 "2020-04-19T15:58:03Z")
> [@Martin10](#):
>
> Argument starts with non-ascii dash, this is probably invalid
Well the error is because you are somehow typing in a non-ascii dash where it expects it to be a pair of regular `-`.
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### Author:  [@Martin10](https://discourse.nodered.org/u/Martin10)
#### Post date: [19 April 2020 16:04 UTC](https://discourse.nodered.org/t/usb-sensors-library/24952/42 "2020-04-19T16:04:50Z")
I type it like this : node --version; npm --version. Is it correct?
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### Author:  [@Martin10](https://discourse.nodered.org/u/Martin10)
#### Post date: [19 April 2020 17:20 UTC](https://discourse.nodered.org/t/usb-sensors-library/24952/43 "2020-04-19T17:20:58Z")
I fix the problems
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### Author:  [@system](https://discourse.nodered.org/u/system)
#### Post date: [18 June 2020 17:31 UTC](https://discourse.nodered.org/t/usb-sensors-library/24952/44 "2020-06-18T17:31:19Z")
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