The notebook / Articles
One problem, followed from the first symptom to the answer, with the evidence and the replies kept in the open.
A dead presence sensor, six explanations, a teardown in Hong Kong, and a lab repair I didn't hear about for two weeks. What happened, what Aqara got right, and what to do if yours fails the same way.
Published
An article is longer than a test note. It follows one problem through what was tried, what the evidence showed and what a vendor said, and it says what is still unknown. Anything that identifies the house is removed first.
