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喜欢对农作物进行实验的人员,常常对雨水的酸性程度比较关心。这里向你介绍一种PH值检测计,可以帮助你粗略地检测雨水的酸性程度,以适应作物的生长。 电路组成
People who like to experiment with crops are often more concerned with the acidity of rainwater. Here to introduce you to a PH detector, can help you roughly measure the acidity of the rain to adapt to the growth of crops. Circuit composition