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针对工程机械设备显示参数多的特点,设计一种组合式仪表。该仪表以弧形或直线形条状LED作为显示器件,利用BC7281B的图形显示和数码显示功能,通过扩展其驱动能力,实现了8只图形仪表和1只数字仪表的显示。系统具有灵活的配置性能,可根据实际需要配置模拟表头,显示机油压力、温度、油位等值,这种组合仪表系统在工程机械行业具有一定的推广价值。
For the construction machinery and equipment to display more features, design a combination of instruments. The instrument to curved or linear strip LED as a display device, the use of BC7281B graphics and digital display capabilities, by extending its drive capability, the realization of the 8 graphics and a digital instrument display. The system has a flexible configuration performance, according to the actual need to configure the analog meter, display oil pressure, temperature, oil level equivalent to this combination meter system in the construction machinery industry has a certain promotional value.