This is WCS1700 70A Hall Current Sensor Overcurrent Protection Module from the category Sensors | Common. Product dimensions: long 37mm, wide 31mm, and high 16.5mm.primary chip: WCS1700 and LM393 amplifierDC 5 V for working voltageEight characteristics include: (1) instructions for the signal output..
This is YF-S201 Water Flow Sensor from the category Sensors | Common.1. DC4.5 5V-24V is the minimum rated working voltage.2. 15 mA is the maximum operational current (DC 5V)3. DC 5 to 18 V working voltage range4. A 10 mA load capacity (DC 5V)5. Working temperature: 80 °COperating humidity: 35% to 90..
This is YF-S402 Water Flow Sensor from the category Sensors | Common.1> is the parameter. The YF-S402 2> model. G1/4 3> is the specification. DC 5V-18V 4> is the work voltage. 10 mA for the work current. F=98*Q; Q=L/min 6> is the flow pulse characteristic. 3% precision 7>. Current output: 10mA 8 Ran..