http://www.dx.com/p/gy-471-3a-range-max471-current-module-detection-sensor-purple-449087#.WoAxFHXOX0o |
I found the following pinout:
PinoutFrom : http://hobbycomponents.com/sensors/900-max471-gy-471-3a-current-sensor-module
SensorRS+.........Load positive supply (3 to 36V)RS-..........Connect to load or charger
Interface:RS+.........Alternative load positive supply (3 to 36V)GND.........Connect to loads 0V/GND supplyOUT..........Current sensor output (1V / Amp, 3V max)SIGN........Current flow direction. An open-collector logic output (low = current flow from RS+ to RS-).GND.........Alternative GND (Connect to loads 0V/GND supply)RS-...........Alternative load/charger connection.
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