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digital output Water Hall Flow Sensor G1/2 hall effect flow sensor with UART SPI interface
2017 we now ship a version with a slightly different power supply setup that reduces RTC brownouts
remote alerts
various LEDs
DFRobot DC-DC Buck Module 5.5-28V to 3.3V 3A - DFR0570 heart rate sensor digital output Water Hall FlowThis is a DC DC buck mode power module, with input voltage range 5. 5~28V and fixed output voltage current 3. 3V 3A. Its work frequency can reach to 0. 5MHz. The module has high conversion and tiny body, convenient to embed. Besides, it has steady output voltage, which can work long time without voltage shift and is suitable for the occasion with high requirements. The product can work with high capacity and high voltage batteries to DIY mobile
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