[align=center]Chapter 7[/align][align=left]1. In one sentence, a critical section is a section of code that cannot be interrupted during execution. [/align][align=left]Question 1: What is the differen...
This is a 8*8led scanning program. It was created and saved when using keil. After creating a new project and importing it and compiling it, this prompt appeared: "The file was changed by an external ...
When I received the Sensor Tag module, I thought it was great, I finally had something to play with. But after reading some instructions and information, I felt sad. This Sensor Tag is single-mode, no...
When there is load capacitance, it will affect the edge of the pulse, especially when the load capacitance is large, the impact will be greater, or the essence of the "pulse" will be lost. This articl...
This is my first time to use GPRS module and I don't know what issues should be considered when choosing a module. Now I know that I mainly need to use this module for SMS service and need a module wi...