As the title says, I recently found that my core points have not changed. I replied to a few posts and was prompted to add one core point, but the point value in the upper right corner has not changed...
[align=left][font=微软雅黑]I wanted to buy a water purifier during the Double 11 period. I have been shopping for large household appliances on JD.com. I happened to find that JD.com had a promotion for a...
[i=s] This post was last edited by dontium on 2015-1-23 12:40 [/i] I would like to ask all the experts, if I want to detect the current of 4~20ma, what is the appropriate design? The internal resistan...
Is the instruction MRC p15,0,R1,c0,c0,0 used to read the ID number of the ARM CPU into the ARM register R1? If so, I have now embedded a .s file with the following assembly content in the EVC environm...
interrupt[PORT_vector]void PORT1(void){if(P1IFG&BIT0){Delay();if(P1IFG&BIT0){Execution body;P1IFG&=~BIT0;}}}Can this remove jitter? I feel that judging the interrupt flag in the interrupt program can ...
I use the internal DAC of the stm32L4 chip to generate a sine wave, and then use the timer's PWM to generate a square wave. However, I found through an oscilloscope that the two waveforms are not sync...