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Songle SPDT 24V relay
Transparent Water Flow Sensor (Sea) YF-S201C Flowmeter G1/2 1-30L/min 5 -15V
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MT3608 DC-DC Step Up Power Booster Module
XL6009 Step-Up Boost Module
SIM800L V2.0 5V Wireless GSM GPRS MODULE
LM2596 LM2596S DC-DC Step- Down Buck Converter Module with SMD LED
Arduino Nano with USB Cable
Enclosure for Arduino Uno, 16×2 LCD, and PIR Motion Sensor