河道流量水位测验系统的单片机接口技术

On MCU Interface Technique in Water-Level Test System of River Discharge

叙述了以ATMEL89单片机为核心的流量水位测验系统的接口技术,接口电路以多路ADC0809为核心,尽量保留现有的设备结构和资源,利用ADC的多路输入优势,有效地将偏角信号、流速信号、水位信号与单片机连接,电路简单、成本低廉、抗干扰能力强.

Interface technique in water-level test system is introduced whic h ATMEL89 plays a key role in,interface circuit based on multi-circuit tried to r etain existing equipment structure and resources and untilize the input superior ity of ADC's multi-circuit to connect deviated angle signal,velocity and water-level signal with MCU effectively.The scheme possesses some advantages such as simple circuit,low cost and strong anti-interference.