I recently bought an electrocardiogram board based on MSP430FG439 from TI. But when debugging, the electrocardiogram waveform always fails to appear. According to its working principle, the difference...
[i=s] This post was last edited by hanskying666 on 2014-3-15 22:31 [/i] 1. S232 to RS485 converter 232 to 485 protocol converter RS232 to 485 converter 5 yuan 2. MSP430F169 minimum system board 2 piec...
[size=3][b]Introduction[/b][/size] [size=3]It is well known that any closed-loop system with a gain of unity gain l and an internal phase shift of 360° with frequency will have the possibility of inst...