Recommended · for some experience
#49: Simple Component Tester using Oscilloscope - Octopus Curve Tracer
Why people recommend it
Builds a simple octopus curve tracer that plots component I-V curves on an oscilloscope; recommended as a cheap way to see a diode's knee voltage.
In their words
2 If you are student your electronics lab may have something like a Tektronix 370A somewhere you can use.
checkback on electronics.stackexchange.com, Jan 2016. CC BY-SA.
