对高分子湿敏电容元件进行了研究，设计了一种廉价湿度开关电路。
A low cost electronics circuit ior humidity switches based on high polymer humidity sensitive capacitors is presented in this paper.
其电容量-湿度关系呈开关特性，转变点约在85% RH。
Their humidity dependences of capacitance have switching characteristics with transition point about 85%rh.
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。
Introduced the application of humidity and brightness sensor in neon light controller system based on EM78P447SB micro-chip computer.
应用推荐