I used the single-chip 8952 and the voltage comparator 339 to do a simple capacitance measurement table, parameters are as follows: capacitance measurement range 1pF-9999.99uF, the minimum resolution for the 1pF. Divided into five ranges, you can automatically switch range can also be manually switched. In addition, a simple frequency meter function, capable of measuring 0-60MHz frequency digital signal (TTL level) can also lead to several single-point-frequency square-wave signal (for example, 1KHz). 1602LCD used as a monitor 4 button control use 24C01 to preserve the current settings, do not reset each boot. Can be a single 5V power supply, 9V AC power supply can also be

readme.txt
元件清单.txt
源程序
......\2401.C
......\2401.h
......\2401.LST
......\2401.OBJ
......\AT89X52.H
......\hardware.h
......\ISR.C
......\ISR.H
......\ISR.LST
......\ISR.OBJ
......\LCD1602.C
......\LCD1602.h
......\LCD1602.LST
......\LCD1602.OBJ
......\main.C
......\main.h
......\main.LST
......\main.OBJ
......\measure_capacity.c
......\measure_capacity.h
......\measure_capacity.LST
......\measure_capacity.OBJ
......\measure_frequency.c
......\measure_frequency.h
......\measure_frequency.LST
......\measure_frequency.OBJ
......\square_wave_generator.c
......\square_wave_generator.h
......\square_wave_generator.LST
......\square_wave_generator.OBJ
......\system_initial.c
......\system_initial.h
......\system_initial.LST
......\system_initial.OBJ
......\电容表
......\电容表.hex
......\电容表.M51
......\电容表.Opt
......\电容表.plg
......\电容表.Uv2
......\电容表_Opt.Bak
......\电容表_Uv2.Bak
电容表PCB-V1.0.PCB

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