I use it in a well tempered office and can't say anything about using it in a cold environment.
But I've seen that the LHT00SU1 should first connected to the power supply using USB and finally to the target. At least the target should be powered up at last. But this should be the only sensible power up order anyway. Am Mo., 23. Sept. 2019 um 11:39 Uhr schrieb Oliver Mattos <omat...@gmail.com >: > My LHT00SU1 is very temperature, cable, and computer dependant. > > It will never work when cold, and it only works with very short USB cables > and only on 2 of my 3 laptops. I suspect some timing problem - when it > isn't working properly, it will enumerate on the USB bus, but will > disconnect as soon as sigrok tries to download firmware to it. > > On Sat, Sep 21, 2019 at 6:03 AM Helge Kruse <helge.kr...@gmx.net> wrote: > >> You need to install the WinUSB driver for the device. For that purpose >> you will use Zadig program what has been installed with sigrok. >> >> Windows must not display it as "unknown device" after successfully >> installing WinUSB for it. >> >> Best regards >> Helge >> >> Patrick Dorion <pau-git...@outlook.com> schrieb am Sa., 21. Sep. 2019, >> 02:14: >> >>> Hello, >>> >>> >>> >>> so I was happy today because I got my new LHT00SU1 in the mail, but >>> unfortunately it doesn’t work… at least not out of the box… >>> >>> >>> >>> I connect it to USB, and in Windows 10’s Device Manager it shows as an >>> unknown USB device, I open Sigrok, search for the device using fx2lafw, but >>> nothing shows-up in the box… Nothing gets detected as a serial device, >>> either, so I have no open COM ports… >>> >>> >>> >>> I’d rather not install the Chinese applications, so I haven’t tested >>> with the USBee software yet… >>> >>> >>> >>> Am I missing something? Do I have to return it? >>> >>> >>> >>> : < >>> >>> >>> >>> >>> >>> Patrick Dorion >>> >>> 📱 +1 438 345-4575 >>> >>> >>> _______________________________________________ >>> sigrok-devel mailing list >>> sigrok-devel@lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/sigrok-devel >>> >> _______________________________________________ >> sigrok-devel mailing list >> sigrok-devel@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/sigrok-devel >> > -- PGP Fingerprint: EDCE F8C8 B727 6CC5 7006 05C1 BD3F EADC 8922 1F61
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