Oscilloscope Curve Trace Adaptor - #190
I got mine from Banggood.
Banggood link:
https://uk.banggood.com/Dual-channel-VI-Curve-Tester,Displaying-2-Waveforms-at-the-Same-Time-for-Easy-Comparison-p-1916055.html?rmmds=myorder&cur_warehouse=CN&ID=6315607