[Damcave] decided to try out some bar code reader projects. He got his hands on a CueCat years ago. The problem is that it outputs encrypted character sets instead of a clear text string. To get around this he used his Arduino to decrypt the CueCat’s data output.
Originally you could get you hands on a CueCat for free. It was meant to work like QR codes do now — you see a bar code, you scan it to get to a web address. It never really took off but you can still get your hands on one for about twelve clams. We’ve seen projects that clip a pin on the processor to disable to encryption. But [Damcave] didn’t want to mess with the hardware. Instead he connected the Arduino via the PS/2 connector and used software to translate the data. The encryption format has long been know so it was just a matter of translating the steps into an Arduino function.
Filed under: arduino hacks
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