Is there a theory in the world that is unchanging and universally applicable? From the judgment that "truth is relative", it should belong to the system of truth, but there is a contradiction. Therefo...
I am developing a project using LPC1788. I have made a simple Bootloader to download the program through the serial port and store it in an external flash chip. I want to copy it to SDRAM for executio...
[align=left][font=宋体][size=12.0pt]It took 15 years from the invention of the first electronic touch screen to the appearance of the first car with a touch screen central control, and 22 years to the a...
When the 3.3v USB power supply is connected to the circuit, the voltage between the power supply and the ground is only 0.5v. What could be the reason?...