Working Principle of Voltage Transformer When measuring large voltage of alternating current, a transformer is connected in parallel between the live wire and the ground wire (connected to the input e
RT, two 5V power supplies are supplying power to a board at the same time. How can the power supplies be isolated so that they do not affect each other?1. Use two diodes to connect between two 5V powe
After using CreateDIBSection, I deleteobject the HBITMAP object created by CreateDIBSection as described in MSDN, and then execute the method again. When it comes to CreateDIBSection, the program exit
I have compiled the uCOS-II porting source code, mainly including the porting source code for 51, AVR, LPC, Freescale and Fustu models! I hope it will be helpful to everyone
Some time ago, I came into contact with the MSP430FR2000 microcontroller for a project. Because I used the MSP430F5529 most of the time before, it was relatively simple to get started with this microc
I refer to many examples on the Internet, my steps are as follows: 1.at+enter //return OK 2.at+csca=13800240500 +enter //return OK (SMS service center in Shenyang area) 3.at+cmgf=0 +enter //return OK