Simple DIY curve tracer, Zener diode thermal drift

How to build a super simple DIY curve tracer for your analog or digital oscilloscope. Curve tracing Zener diodes, LEDs, a capacitor, a resistor, TL431 and a diac using an oscilloscope in XY mode. Measuring the thermal drift of various Zeners.

The previous part: https://youtu.be/M6SwFOVdFcs

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