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freq_cap
- 基于msp430f149单片机制作的简易频率计,能够准确测量1hz到12khz的正弦与方波等的频率,测量误差小于1 ;-Based on msp430f149 microcontroller simple frequency meter can accurately measure the 1hz to 12khz sine and square wave frequency, the measurement error is less than 1