leave for Berkeley the next morning, so we decided I would work on building a digital version once I got there.” No one had ever created a digital version of a Blue Box, but Woz was made for the challenge. Using diodes and transistors from Radio Shack, and with the help of a music student in his dorm who had perfect pitch, he got it built before Thanksgiving. “I have never designed a circuit I was prouder of,” he said. “I still think it was incredible.” One night Wozniak drove down from Berkeley to Jobs’s house to try it. They attempted to call Wozniak’s uncle in Los Angeles, but they got a
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