ACS712 Current Sensor Module
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- http://www.dx.com/p/acs712-20a-current-sensor-module-blue-206999
- https://www.sparkfun.com/products/8883
- https://www.sparkfun.com/datasheets/BreakoutBoards/0712.pdf
- ACS712ELC-20A sensor chipset - Powered by 5V power supply - On-board power indicator - Measures -20~+20A current, corresponding simulation output 100mV/A - Output voltage is VCC/2 when on current was measured - ACS712 is based on the principle of Hall detection, please avoid the magnetic field affect when using it