1. PWM?Answer: PWM is short for pulse width modulation. The motor speed and LED brightness are achieved by adjusting the duty cycle of PWM. It is a pulse wave with high and low values of 1 and 0 gener
Random Signal Processing National University of Defense Technology : https://training.eeworld.com.cn/course/4240Random signal processing is a core course for postgraduates in the discipline of electro
When increasing the applied voltage across a power device, the electric field inside the device starts to increase. Once the electric field approaches a critical level, Ec, the power device undergoes
Calendar clock + environmental detectionAuthor:andyProject BackgroundWith the improvement of living standards, people have higher and higher requirements for the indoor living environment. In addition
Software outsourcing breaks out of the "dilemma" 2006-6-28In 2006, software outsourcing will become a hot spot in the market"There are three main reasons why Chinese software companies' outsourcing pe