I recently used a GPS module, but there was a problem when querying the longitude and latitude. The data I received through the serial port was very different from the data on the electronic map. What
In msp430f149, the xin pin and xout pin are connected to the 8M crystal oscillator, but the 8M crystal oscillator cannot vibrate.
The procedure is like this
#include msp430x14x.h
void main(void) { uns
[i=s] This post was last edited by dontium on 2015-1-23 12:48 [/i] LMF100 can form a 4th order filter at most, that is, cascade two 2-order filters A and B. But when the center frequency of the 4th or