Many bar code scanners simply pretend to be a keyboard. This particular barcode scanner is popular and available from Amazon for about $100 new or less than $40 used. This tutorial uses a Motorola LS2208 barcode scanner but you can connect to and communicate with any serial device. What is important is that the device makes it clear that it’s a serial device. There are some devices that combine these two so you don’t need the adapter. This allows your serial device to connect to your computer through USB. That means it has a connector like this:Ĭomputers no longer have RS-232 ports so you’ll also need an RS-232 to USB adapter like this: For this tutorial, the serial device must be an RS-232 device. It makes sense to first start with the serial device.
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