【摘要】 介绍了基于EM78P447SB单片机、集成湿度传感器、亮度传感器、钟控开关和自制光电耦合器制作的积木式霓虹灯控制系统。讨论其线路、工作原理、硬件结构、软件设计和使用经验。该控制器易于生产、维修,具有高的性价比。更多还原

【Abstract】 Introduced the application of humidity and brightness sensor in neon light controller system based on EM78P447SB micro-chip computer.The system operational principle,hardware construction and software block diagram were described.It was introduced the circuit,and the work principle,programming methods,and using experiences of a low cost and high performance neon light controller based on microcomputer EM78P447SB by use of self-made photoelectric coupling circuit.The controller has a high performance-price ratio.更多还原