It’s not always the cable

A week ago (or so) I debugged the kitchen clock which is doing this: I tried swapping out everything else except the screen itself, but no dice. And then a commenter confirmed that these screens are indeed flaky (or at least some production runs are), so I got a new one. Which arrived a couple days ago: Unboxing: Lots of little doodads… And the screen. Yes! It’s the same as the one I had — Waveshare have many similar ones, so I wasn’t 100% sure I was buying the right model. The inside view of the old one. OK, the old screen is just fastened with double sided tape, so using a prying kit should do the trick… No! Man, this tape sticks hard. Gotta use a screwdriver to bend it off. Done! Look at my expert jigsawing skills… I should probably check the new screen before I mount it… seems to work? And no flickering: Yay. So the lesson is: It’s not always the cable.

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