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Access control
Wireless Relay kit (4 channels-12V) is a perfect remote switch for those hobbyists with home automation DIY projects or business Industrial electrical
which is a measurement of the hydrogen ion concentration in the body
Optimise soil moisture for optimum plant growth
DC-DC Adjustable Step-up Power Converter Module- XL6009 7408 Access controlIntroduction : DC DC Adjustable Step up Power Converter Module is an adjustable DC DC step up module that accepts 5~32V DC input and outputs 5~48V DC, with maximum 4A current. It has very strong output ability and could output up to 4A current. It cannot be used to lower the voltage (the output voltage is always higher than the input). Pinout: IN+ input positive. IN input negative. OUT+ output positive. OUT output negative . Features : Module
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