标题: 土壤湿度水分检测电路-LM741 [打印本页] 作者: sydz 时间: 2011-8-29 20:18 标题: 土壤湿度水分检测电路-LM741 植物水分测定仪电路
Stick the metal probes into a freshly watered plant and adjust R5 for a mid-scale meter deflection.
坚持到一个新浇灌的植物的金属探测器和一个中等规模的米偏转R5调整。
The meter will monitor the soil wetness and the meter will indicate whether it is to moist or to dry.
该仪器将监测土壤湿度和米将表明，无论是在潮湿或干燥。
This circuit uses a dual power supply which could be created by two 9 volt batteries.
该电路采用两个9伏的电池，可以通过创建一个双电源供电。