Recently I bought this device to draw online. Even though the internal storage device was auto detected when the USB cable was plugged in, the pen (or graphics tablet) function didn't work without installing the "wizardpen" driver.
Different people have tried this in different ways. For me, configuring ALSA to capture from the "Mix" device didn't work since I don't have a "Mix" listed when I try the amixer command. I could however write the ALSA output to a file by configuring the PCM chain.
While not common, in rare cases you may have an image in its raw pixel format (say in rgb565). It can even be a portion of video. If you ever come accross converting such raw data to say a png or jpeg image, ffmpeg can be used easily. See the following command:
It is extremely easy to get a tiny little keyboard to generate melody in your Linux box. In fact, you can play hundreds of instruments. Here’s how I did it in my Fedora Core 6 and 7 laptops: