Hiland M644 Multifunctional Transistor Tester LCR Resistance Inductance Diode Capacitance ESR Frequency Meter PWM Signal Generator (WHL #50)
Another component for one of the upcoming projects – a refreshed transistor tester.
I’ve been using these for ages now, I actually built two of them before they got popular (what a hipster thing to say?) and every Chinese seller decided to roll his own. The original thread on mikrocontroller.net dates back to early 2012 and the SVN repository even contains a few fixes of mine to the manual, as I was proofreading this thing at the time.
Times have changed, and the ready made versions are so cheap nowadays that homebrew really doesn’t make any sense any more. […]