Summary

Custom HDMI cable tester.
It is measuring voltage levels on some wires inside of HDMI cable, and displaying on oscilloscope.

Maybe it can be handy for someone who need it as well or need enclosure for eight
voltmeters and one oscilloscope.

Bottom and back are from 3mm thick wood for saving fillament as it is quite big.
Fusion360 file included.

Used parts:
Voltmeter: WPB5035-DV 19,99V
https://www.gme.cz/digitalni-panelovy-voltmetr-wpb5035-dv-19-99v#product-detail

Oscilloscope: JYETech DSO138
https://www.banggood.com/cs/3Pcs-Original-JYETech-DSO138-Assembled-Digital-Oscilloscope-Electronic-Measurement-Module-p-1272534.html?gmcCountry=CZ¤cy=CZK&createTmp=1&utm_source=googleshopping&utm_medium=cpc_bgs&utm_content=xibei&utm_campaign=xibei-ssc-cz-cs-all-newcustom-ncv80-1118&gclid=EAIaIQobChMI_MfJs5695gIVmLPtCh1iHQNFEAQYAyABEgI9KfD_BwE&cur_warehouse=CN

Prusa i3 MK3
no supports
20% infill
0.2
PLA