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Show HN: SevenFortyFun, a transistor level op amp kit (github.com/openanalog)
17 points by OpenAnalog on July 30, 2014 | past | 3 comments
Open Source Analog Hardware (github.com/openanalog)
3 points by OpenAnalog on July 10, 2014 | past
Show HN: SevenFortyFun, a transistor level op amp kit (github.com/openanalog)
45 points by kumarski on July 2, 2014 | past | 20 comments

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