Submitted by Richard on Tue, 09/10/2013 - 15:36
In part 1 of this series, we reviewed the block diagram and discussed the additional chips that I used for my Arduino based transistor identification and automated test tool. In this article, we will look at the wiring diagram. There is no critical wiring or timing path, so any of the common prototype or point-to-point wiring boards will do.
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Submitted by Richard on Sat, 07/20/2013 - 10:15
At prokopyshen.com, we have a lot of transistors collected over the years. Many are unmarked and we are not always sure if the device is functional or has sufficient gain for our projects. Our solution was to build an Arduino based test device that wil positively identify each lead, the type (PNP vs NPN), material (Silicon or Germanium), and then collect enough data points for us to determine the gain and DC transfer characteristics.
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