Researchers have demonstrated they can make coffee comparable to conventional espresso using ultrasonic waves. Because the process doesn’t need hot water, it consumes 75 percent less energy. The ...

Pre-College Summer Session provides high school students with the unique opportunity to take summer courses offered by Carnegie Mellon University for credit. Students earn college credit while working ...

Arduino Portenta H7 M7 Core v1.8.5 Supported Official Arduino support colcon.meta Arduino Nano RP2040 Connect v1.8.5 Supported Official Arduino support colcon_verylowmem.meta OpenCR v1.4.16 Supported ...

Inductive sensors are non-contact proximity sensors that detect ferrous targets, ideally ones made of mild steel thicker than one millimeter. They consist of four major components: a ferrite core with ...

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.