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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
With over current protection
Temperature-limit alarm system
The L7805 / L7809 has internal current limiting
Only One USB 2
avoid tooth breaking
YF-S401 Water Flow Sensor 0.3-6L/min 8-channel With over current protectionWater flow sensor consists of a plastic valve body, a water rotor, and a hall effect sensor when water flows through, the internal rotator will change its speed with different rate of flow and hall effect sensor outputs the corresponding pulse signal. Use with laser cutters or CNC to measure if and how much water is flowing through laser tube or CNC spindle for cooling. Specifications Working Voltage: DC 5V~24V Maximum Working Current: 15mA @ 5V DC
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