鉢植えの植物用のスマートフォン接続可能な土壌テスターは、水分、pH、肥沃度、塩分、温度を測定します。

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2-7S DC 5-20V 100W Fast Battery Charger Module PD Decoy Lithium Battery Charger Support PD2.0/3.0/3.1 PPS FCP QC2.0/3.0/3.0+ SCP

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DC-DC Buck Converter Step Down Adjustable Voltage Regulator Module 5V-30V To 3.3V 5V 9V 12V 3A For Car Motorcycle Battery

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