Description: Order your pcb design at JLCPCB: $2 for 10pcs PCBs (24 hours turnaround time). up to $20 shipping discount on ...

In just 100 seconds, learn how Arduino works - from its microcontroller and architecture to how it's programmed and used in real-world projects. A fast, simple intro to one of the most powerful tools ...

How fast does your heart beat? It’s a tough question to answer, because our heart rate changes all the time depending on what we’re doing and how our body is behaving. However, ...

A QRS duration of greater than 0.12 seconds is considered abnormal. The QRS duration will lengthen when electrical activity takes a long time to travel throughout the ventricular myocardium.

First, the standard 12-lead ECG is a 10-second strip. The bottom one or two lines will be a full “rhythm strip” of a specific lead, spanning the whole 10 seconds of the ECG.

Add a description, image, and links to the buzzer-music topic page so that developers can more easily learn about it ...