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Working voltage：+5V
and other variants of Arduino that has no built-in USB compatibility
hidden controls
finger-clip projects
Incredible low Fault Rates
Water Flow Sensor YF-S401 - 0.3-6L/min Hall Effect spring type Working voltage：+5VTrack Water or Liquid Flow with a Simple Sensor The Water Flow Sensor YF S401 is a flow sensor designed for liquid metering, pump feedback, and water system monitoring. It is a practical fit for makers, students, and engineers who want reliable sensor data in embedded builds. Key details include Flow Rate Range: 1~ 5L min; Working Voltage: DC 5V~24V; Output Pulse Duty Cycle: 50% 10%. Important: Flow readings depend on liquid type, pipe size, and
