Re: Reading a QR code via notebook camera

2025-02-25 Thread Robert Moskowitz
On 2/25/25 11:48, Jeffrey Walton wrote: On Tue, Feb 25, 2025 at 11:26 AM Robert Moskowitz wrote: On 2/25/25 10:56, Jeffrey Walton wrote: On Tue, Feb 25, 2025 at 10:46 AM Robert Moskowitz wrote: On 2/25/25 10:41, Tim via users wrote: On Tue, 2025-02-25 at 09:08 -0500, Robert Moskowitz wrot

Re: Reading a QR code via notebook camera

2025-02-25 Thread Jeffrey Walton
On Tue, Feb 25, 2025 at 11:26 AM Robert Moskowitz wrote: > > On 2/25/25 10:56, Jeffrey Walton wrote: > > On Tue, Feb 25, 2025 at 10:46 AM Robert Moskowitz > > wrote: > >> On 2/25/25 10:41, Tim via users wrote: > >> > >> On Tue, 2025-02-25 at 09:08 -0500, Robert Moskowitz wrote: > >> > >> I do wo

Re: Reading a QR code via notebook camera

2025-02-25 Thread Jeffrey Walton
On Tue, Feb 25, 2025 at 10:46 AM Robert Moskowitz wrote: > > On 2/25/25 10:41, Tim via users wrote: > > On Tue, 2025-02-25 at 09:08 -0500, Robert Moskowitz wrote: > > I do wonder how it will "know" that I have the QR in front of the camera > and it is in proper focus... > > I imagine it's relying

Re: Reading a QR code via notebook camera

2025-02-25 Thread Robert Moskowitz
On 2/25/25 10:56, Jeffrey Walton wrote: On Tue, Feb 25, 2025 at 10:46 AM Robert Moskowitz wrote: On 2/25/25 10:41, Tim via users wrote: On Tue, 2025-02-25 at 09:08 -0500, Robert Moskowitz wrote: I do wonder how it will "know" that I have the QR in front of the camera and it is in proper foc

Re: Reading a QR code via notebook camera

2025-02-25 Thread Robert Moskowitz
On 2/25/25 10:41, Tim via users wrote: On Tue, 2025-02-25 at 09:08 -0500, Robert Moskowitz wrote: I do wonder how it will "know" that I have the QR in front of the camera and it is in proper focus... I imagine it's relying on the camera to focus itself. And as soon as it recognises an image

Re: Reading a QR code via notebook camera

2025-02-25 Thread Tim via users
On Tue, 2025-02-25 at 09:08 -0500, Robert Moskowitz wrote: > I do wonder how it will "know" that I have the QR in front of the camera > and it is in proper focus... I imagine it's relying on the camera to focus itself. And as soon as it recognises an image (sees QR data in it), it would act. Th

Re: Reading a QR code via notebook camera

2025-02-25 Thread Robert Moskowitz
On 2/25/25 09:29, Chris Adams wrote: Once upon a time, Robert Moskowitz said: Professor Google told me to just use zbarimg: zbarimg --raw /dev/video0 But I get: ERROR: Unable to open file (/dev/video0) You got the right package, but the wrong tool. Try zbarcam. Well that kind of works

Re: Reading a QR code via notebook camera

2025-02-25 Thread Chris Adams
Once upon a time, Robert Moskowitz said: > Professor Google told me to just use zbarimg: > > zbarimg --raw /dev/video0 > > But I get: > > ERROR: Unable to open file (/dev/video0) You got the right package, but the wrong tool. Try zbarcam. -- Chris Adams --

Reading a QR code via notebook camera

2025-02-25 Thread Robert Moskowitz
Professor Google told me to just use zbarimg: zbarimg --raw /dev/video0 But I get: ERROR: Unable to open file (/dev/video0) I tried sudo, but that did not help. recommendations? I do wonder how it will "know" that I have the QR in front of the camera and it is in proper focus... Oh, my QR