Introduction - If you have any usage issues, please Google them yourself
Filtering method: the equivalent of " median filtering" + " arithmetic mean filtering method" , continuous sampling of N data, removing a maximum and a minimum N-2 and then calculate the arithmetic mean of data N value of the selection: 3- 14 Benefits: fusion of two filter method has the advantage, for the occasional impulse interference, can eliminate the interference caused by the sampling pulse deviation Disadvantages: slow measurement speed, and arithmetic mean filtering method , as more waste RAM 164 shows: Just two IO ports can be driven, saving IO feet