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Alcohol Sensor(MQ3) module is useful for gas leakage detection (in home and industry)
This voltage detector is designed for electrical testing
Turbidity sensor uses optics principles to synthetically estimate turbidity through the liquid light transmittance rate and scattering rate
It is also able to control various appliances and other equipments with large current
8 bit parallel digital data input
High Quality electric soldering iron (Adjustable 4700 uf Alcohol Sensor(MQ3) module is usefulIntroduction : A soldering iron is a hand tool used to heat solder, usually from an electrical supply at high temperatures above the melting point of the metal alloy. This allows for the solder to flow between the workpieces needing to be joined. Features : Work Voltage: 220V . Power: 60W . Dimensions: 30. 00cm x 9. 00cm x 3. 00cm. Adjustable heat CAUTIONS: When using the soldering iron for the first time, smoke may appear on the tip and stop in a