Re: USB barcode scanner?
They are LED or Laser. The difference is range and fragility. The LED ones have to be used much closer up to the code, like 6 inches, but they are very robust. The Laser ones can be used quite a distance away, but don't drop them. I prefer LED. They will get dropped. As others say, the 'wedge' ones act like a keyboard, and need no drivers. But, and it may not matter in your application, bear in mind that they send the characters they read followed by either return or enter but not both. This has a couple of consequences. If you allow keyboard entry of codes as well, obviously you have to handle both enter and return. Also I had some timing problems. I made caps D send mouseup to a Discount button. The user wanted for the cashier to be able to either do discounts by just using the reader, or alternatively, just using the mouse. Problem was that it sent mouseup to the Discount button and then sometimes but not always then sent return when the user was expected to first enter the amount of the discount I fixed this by the brute force method of sending to an invisible dummy button, waiting a fraction of a second, and then sending mouseup on, so absorbing the enter. Sarah's little stack was very useful in decoding what exactly the reader was sending. If you want to handle some keypresses, this means that you know exactly what is being sent and so you can harmonize the keyboard and the reader. kbarcode, if you can run Linux apps, is a great free package for generating bar codes and printing bar code labels. Bear in mind that if you generate labels in a word processor, like for a cash register laminated sheet, and there are quite a few free bar code fonts out there that can be used for this, you have to use start/stop characters, and these differ from Windows to Linux, and I assume the Mac will be different as well. Its * for Linux, and if I recall correctly its ! in Windows. You can find yourself staring at the thing in frustration wondering why the shop label codes work perfectly, but the ones you have just made up do not. This is probably why. I found the really hard issue to be not so much this stuff, as the tradeoffs you end up considering between convenience and security. Very hard to strike the balance. You have to spend some time thinking like a thief and craftily installing logs, and whatever you do you'll miss something. -- View this message in context: http://www.nabble.com/USB-barcode-scanner--tp20747555p20759008.html Sent from the Revolution - User mailing list archive at Nabble.com. ___ use-revolution mailing list use-revolution@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-revolution
Re: USB barcode scanner?
Recently, Tim Ponn wrote: > Can anybody recommend a usb barcode scanner that I can get to work > with rev? I using rev 2.81 and a Mac. I've got my POS app working > nicely now and it's time for the next step...adding a scanner. Hi Tim: I haven't used it extensively but I have an IntelliScanner Mini from here: http://www.intelliscanner.com/ The biggest selling point for me on this unit is the size -- it could literally fit on a keyring. It works in 2 modes: batch, where you scan codes unplugged and it stores codes in onboard memory; and tethered, where scans are immediately sent to the front most application (or one of the applications that ships with the unit). It's been a while since I last used it, but I just installed the latest dashboard software on OSX 10.4.11, and ran it with Revolution 3. Scans are immediately transferred to an open field, along with a return character. FWIW. Regards, Scott Rossi Creative Director Tactile Media, Multimedia & Design ___ use-revolution mailing list use-revolution@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-revolution
Re: USB barcode scanner?
On Sun, Nov 30, 2008 at 12:28 AM, Tim Ponn <[EMAIL PROTECTED]> wrote: > Hello! > > Can anybody recommend a usb barcode scanner that I can get to work with rev? > I using rev 2.81 and a Mac. I've got my POS app working nicely now and > it's time for the next step...adding a scanner. > As the others have said, any scanner that operates in keyboard wedge mode will be fine. A lot of them come with cables sold separately, so don't forget to specify that you want USB. I recommend a scanner with multiple scan lines - it easier to use as the barcode doesn't have to be positioned so exactly. I have used scanners made by Unitech and by Datalogic, both with Macs & Revolution applications. Cheers, Sarah ___ use-revolution mailing list use-revolution@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-revolution
Re: USB barcode scanner?
Stephen Barncard wrote: Most of the bar code devices operate like a keyboard input device out of the box as a straight barcode scanner (i.e. outputs a translation of the barcode in text), I wrote a stack some years ago that worked with a barcode reader, which I had never seen and did not have access to. I just used normal keydown/keyup and "on returnkey" handlers, and it all worked fine. There was no difference between keyboard entry and barcode entry. So what you say works. I warned the client they'd have to test, and it never failed in any way. I think Jacque was on the Evangelists list, or was it Mac Marines? It was a while ago. Over 20 years of mail-lists. The mind boggles. It was the Evangelists list, but I only read it, I never posted. And yes, I can't believe where the time goes. -- Jacqueline Landman Gay | [EMAIL PROTECTED] HyperActive Software | http://www.hyperactivesw.com ___ use-revolution mailing list use-revolution@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-revolution
Re: USB barcode scanner?
On Nov 29, 2008, at 9:28 AM, Tim Ponn wrote: Hello! Can anybody recommend a usb barcode scanner that I can get to work with rev? I using rev 2.81 and a Mac. I've got my POS app working nicely now and it's time for the next step...adding a scanner. What Stephen said. One other thing to know is that the barcode scanners can have their behavior modified by scanning barcodes in the booklet that comes with them. For example, you can have the scanner send a return after it's finished reading the barcode. That can be handy for your input routine, so it knows when the scanner has finished sending. There is no difference at all between a user typing on a keyboard, and the scanner sending its keystrokes, so if you have an application where a user is supposed to type into one field, and a scanner grabs a barcode without showing the text captured, your user could trigger the scanner while typing into the visible field, and they will see the barcode numbers typed in for them. That may not matter, but it could influence your design, you would want to make sure not to set up situations where the user can easily be confused. Another setting for the scanner is the baud rate (they're really serial, with USB converters). Set that to as high as you can, and even then the apparent typing speed is not very fast. ___ use-revolution mailing list use-revolution@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-revolution
Re: USB barcode scanner?
Timothy , Most of the bar code devices operate like a keyboard input device out of the box as a straight barcode scanner (i.e. outputs a translation of the barcode in text), others have features like storage where the scanner does not have to be tethered to the computer, can dump later, Wifi, etc. Most of them won't mention the Mac, even though everybody's conforming to standards. So don't let the PC part deter you, unless you need software to do more than recognize IPC symbols. It appears your scripts will do the rest. It's interesting in the peripherals world, when often many USB and Firewire devices built to standards, are sold with no reference to Macintosh at all in the ads and packaging, even though they work perfectly (and often install without drivers) and are a significant part of their sales are to mac customers. This is especially true of hard drives and network routers. Incredibly ignorant of the marketers if you ask me, and a wasted opportunity. I used to be an annoying Mac Evangelist (remember those?) when we felt we had to fight every fight against the PC 'hegemony', or we'd be stuck with the alternative in the future. Today, Apple's strong, hip, visionary, and makes solid products these days that sell themselves, so I don't have to do that anymore. I think Jacque was on the Evangelists list, or was it Mac Marines? It was a while ago. Over 20 years of mail-lists. The mind boggles. Hello! Can anybody recommend a usb barcode scanner that I can get to work with rev? I using rev 2.81 and a Mac. I've got my POS app working nicely now and it's time for the next step...adding a scanner. Thanks! Best Regards, Timothy R. Ponn -- stephen barncard s a n f r a n c i s c o - - - - - - - - - - - - ___ use-revolution mailing list use-revolution@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-revolution
USB barcode scanner?
Hello! Can anybody recommend a usb barcode scanner that I can get to work with rev? I using rev 2.81 and a Mac. I've got my POS app working nicely now and it's time for the next step...adding a scanner. Thanks! Best Regards, Timothy R. Ponn ___ use-revolution mailing list use-revolution@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-revolution
