AD转换后的软件滤波实现,电路及C程序都有，可以直接移植，大家一起交流-After AD conversion software filter of the circuit and all C programs can be transplanted directly to exchange

频率测量 C程序 后悔的不要看 多学学吧-Frequency Measurement C program will not regret it learn to see more

TX part is turned off and not connected : Set P65 of RX = High Set SW1 of RX = st-lb Press PB1(BCA) or PB5(WEIGH) to wake up the MCU on RX. Display will show “1/0” for 3 seconds. Press PB1 : turn on all the icons. Press PB5 : turn o

12864 实用程序 RTC芯片获取时钟数据 并存放到指定数组 -PCF8563 practical procedures