Hello, teachers. I want to test whether the interval time of the motor Hall signal is consistent. I now capture the Hall signal jump edge, and can use the universal timer to count the duration of the ...
summaryThis system uses the single-chip microcomputer AT89S52 as the control core to realize the basic control functions of the electronic scale. The hardware part of the system includes three parts: ...
I wrote a program, using 74hc595, its q0~q7 connected to diodes, PIC16F917's RC0 connected to shcp, RC1 connected to ds, RC2 connected to stcp as follows: #includeint i=0,m=0; void delay(unsigned int ...
In electronic measurement technology, frequency measurement is one of the most basic measurements. The commonly used frequency measurement method and period measurement method have great limitations i...
Digital and analog phase shifters are widely used in many electronic systems and electronic devices. Nanjing Institute of Electronic Devices has recently developed four novel ultra-wideband monolithic...