ifneq（A,B） ifneq（C,D） ifneq（E,F） a statement b statement c statement endif endif endif If A=B, will it jump out directly? If A=B is false (ifneq（A,B） is true), C=D is true, which statement is executed...
[i=s]This post was last edited by ljj3166 on 2020-10-17 23:01[/i]There's been a lot of stuff going on lately, so I haven't updated for a while.
I worked on it over the weekend and basically achieved t...
Use LED common cathode mode to write and run without error unsigned char code BitTab[]={0x02,0x04,0x08,0x10,0x20,0x40,0x80}; unsigned char code DispTab[]={0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,...
To enable real-time monitoring of home security and automatically dial a number for voice prompts or send text messages when an alarm occurs, a GPRS-based embedded telephone alarm system was design...[Details]
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introduction
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Generally not, but there are exceptions. For example, a torque motor controller with three-phase output voltage imbalance can cause current imbalance, similar to a phase loss. However, only two pha...[Details]
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Embedded System
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