Thanks Ed and Stephen, the hdsp looks very much alike. Only thing different seems to be a little notch between pins 3&4 and 9&10 on the qdsp. I will give it a go and see if I can bake a cake out of it.
Thanks a great deal!
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Hi, i'm looking for a datasheet of this little thingy. Made by HP, it's a 4-digit chip 5x7 dots. I think there serial in some way, so just a pinout isn't enough. But I can't find a data sheet anywhere. Somebody?