• Original project page in german - http://www.mikrocontroller.net/articles/AVR_Transistortester
• Thread with details and developer - http://www.eevblog.com/forum/testgear/$20-lcr-esr-transistor-checker-project/
• pre-compiled software http://www.avrtester.tode.cz/index.php?p=firmware

• Great open hardware implementation https://github.com/maugsburger/avr-component-tester

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