[size=14px]After experiencing various delays, I finally received the NXP Rapid IoT that I had been looking for on the last working day of 2018. According to the plan, the first week was to do a prelim
I have a question. When the SPWM wave generated by the 200HZ sine wave and the 20KHZ triangle wave passes through a 400HZ low-pass filter, why does the restored sine wave fluctuate?
[align=left][color=#333333][font=微软雅黑][font=新宋体][size=3] The system tick timer is very important in the operating system. It can provide a good system clock beat, just like our heart, beating at a cer