The STC12C5608AD microcontroller has a CAP function, which can be used to measure the frequency of a signal. The principle is to measure the time between two rising edges or falling edges. This time i
[i=s] This post was last edited by 想得明明 on 2018-12-23 18:44 [/i] It is understandable that the headphone impedance is 15Ω and connected in parallel with 0.1uf, but the LINEOUT line output impedance is
Translated from : https://www.hackster.io/seanhodgins/face-changing-projection-mask-3e6547Facial recognition is everywhere. Tracking your movements, actions and everything you do. If that is a problem
Channel coding, also called error control coding, is the cornerstone of all modern communication systems.Over the past few decades, channel coding technology has continued to develop, constantly appro