Energy-saving lamps, the continuation of the ten empirical laws of electronic ballasts . Hello everyone! Since the posting of the ten empirical laws of electronic energy-saving lamps, all parties have...
1 After opening a project, the make button in the left project window often does not perform any operation even if I have just modified the .c file. This sometimes requires me to right-click on the .c...
I use 2440. When operating GPIO, I need to map the IO port to the following structure typedef struct { unsigned int rGPACON; // 00 unsigned int rGPADAT; unsigned int rPAD1[2]; unsigned int rGPBCON; //...
Those who take Shenzhen Metro Line 11 early in the morning may be in for a surprise. The subway looks like this: early birds smell the flowers;I was fed a lot of dog food, but it’s pretty, give it a t...
Sound Information
Sound Pressure LevelSound Pressure Level (SPL) decreases proportionately with distance "x" from the sound source. Figures 1 and 2 show the SPL drop off, expressed in dB, as a functio...
[i=s]This post was last edited by nettui on 2019-5-16 20:51[/i] [p=32, null, left][color=rgb(51, 51, 51)][font="]1. Overview[/font][/color][/p][align=left][color=rgb(75, 75, 75)][font=Verdana, Geneva,...