Do you have proper voltage indication leds illuminated on the front? When mine went bad it was the voltage regular and it too made a high pitched whine. However, I had no led indication. On Feb 18, 2015 9:15 AM, "Robert Feldner" <[email protected]> wrote:
> hi mike! > > i tried with different USB cables, different laptops, windows, linux, > android, powered hubs - > no success; the only difference if i plug the hackrf in is that it sounds > like a mosquito-app :-( > first i thought the usb-connector has a shortage or a bad contact, but i > measured the voltage behind > the connector and it seems ok > > thanks, > > robert > > 2015-02-18 8:26 GMT+01:00 Michael Ossmann <[email protected]>: > >> On Tue, Feb 17, 2015 at 08:21:40PM +0100, Robert Feldner wrote: >> > >> > it does not show up in lsusb, neither with dfu pressed or without: >> > >> > Bus 002 Device 005: ID 1690:0741 Askey Computer Corp. [hex] >> > Bus 002 Device 004: ID 1fea:0022 >> > Bus 002 Device 003: ID 08ff:2550 AuthenTec, Inc. AES2550 Fingerprint >> Sensor >> > Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching >> Hub >> > Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub >> > Bus 001 Device 003: ID 04f3:01a4 Elan Microelectronics Corp. Wireless >> Keyboard >> > Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching >> Hub >> > Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub >> > >> > and with dmesg i cant see any difference if i plug it in or out :-( >> >> Can you confirm that you see nothing different if the DFU button is held >> down while plugging in the HackRF? Also please try with a different USB >> cable just in case that is the problem. >> >> Thanks, >> >> Mike >> > > > _______________________________________________ > HackRF-dev mailing list > [email protected] > https://pairlist9.pair.net/mailman/listinfo/hackrf-dev > >
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