Engineering Notes

Design decisions that keep a memory choice from becoming a single point of failure.

From February 2027 portable batteries in the EU must be removable and replaceable. That is a mechanical brief.

If capacity is fixed years ahead, the only things you still control are commitment and flexibility.

The device is the easy part. What breaks a wide-bandgap design is the gate loop and the return path.

Leading-edge silicon is sold out and expensive. Most products are better served two generations back.

Earbuds now ship with pulse sensors. Here is what the signal supports and where it stops.

A reporting duty is an operations problem, not a paperwork problem. Eight things to settle in advance.

With EU repair rules now in force, serviceability has become a design requirement. Most of it costs nothing at schematic stage.

A distributor quoting 40 weeks is telling you several different things at once. Here is how to tell which.