At first, I was engaged in low-power mobile phone chargers, and later I made a 30W switching power supply at most. I never had the opportunity to go to a switching power supply factory to really pract...
I use evc to write a wince program and call the soft input panel function SHSipPreference(this->m_hWnd,SIP_UP); but it reports an error: error C2065: 'SHSipPreference' : undeclared identifier error C2...
I'm working on a project recently, 51 control digital tubes, the chip used is MAX7219 cascade mode, 9 cascade drive 69 digital tubes (8 chips drive full 8 bits, one chip only drives 5 bits), there are...
I would like to ask you, the 250W high pressure sodium lamp street light used to have no compensation (power factor was 0.5), the stable current was 3.8A, now after compensation the power factor becom...
Use the CH582 development board as the GATT server to provide data read and write operations. In this way, you can establish a connection with it through a mobile phone and perform read and write oper...
Principles of Operating Systems Tian Lihua, Xi'an Jiaotong University : https://training.eeworld.com.cn/course/5839The course of operating system principles mainly introduces the design methods and im...