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Disadvantages of passive filters: poor load capacity, no amplification effect, unsatisfactory characteristics, shallow edges, and mutual influence of various levels.
RC Filtering1. Selection of C valu
DelayMs(Uint16 t) is a function that uses the 2812 timer for delay. The timer interrupt decrements the global variable timedelay by 1 every 1ms (if it is 0, it will not be decremented). When timedelay