基于AT89C51的智能矿井环境质量监控系统
为满足矿井安全生产要求,介绍了一种以AT89C51单片机为主控器,对环境空气的温度、有毒易燃气体的浓度等进行检测的监控系统。该系统配合外围电路能实现对上述环境指标的控制并存储相关数据与上位PC机通信。它采用硬件抗干扰和软件抗干扰技术,以确保整个系统工作的准确性。 Abstract: ...
为满足矿井安全生产要求,介绍了一种以AT89C51单片机为主控器,对环境空气的温度、有毒易燃气体的浓度等进行检测的监控系统。该系统配合外围电路能实现对上述环境指标的控制并存储相关数据与上位PC机通信。它采用硬件抗干扰和软件抗干扰技术,以确保整个系统工作的准确性。 Abstract: ...
The outputs of the PCA9518 are immediately available as soon as there is a voltage present on thesupply >~1V and behave as described above. The pow...
The NCV7356 is a physical layer device for a single wire data linkcapable of operating with various Carrier Sense Multiple Accesswith Collision Resolu...
Single-Ended and Differential S-Parameters Differential circuits have been important incommunication systems for many years. In the past,differential...
Multioutput monolithic regulators are easy to use and fi tinto spaces where multichip solutions cannot. Nevertheless,the popularity of mult...