A clock is by its very nature a device for measuring time, and thus it moves forward at a constant rate. But how about in a ...

When you’re driving your car, you’re probably regularly looking at the speedometer to make sure you comply with the local speed limits. The method by which it works is simple enough: ...

ESP32s are surprisingly good AI lie detectors.

I purchased one of each of these cheap sensors recently from aliexpress for testing purposes. Compared with the ubiquitous HC-SR04 (*), I liked the idea of having a combined emitter/receiver, i.e.

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