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![19: IR LED connection with Arduino [11] | Download Scientific Diagram](https://www.researchgate.net/publication/325472568/figure/fig17/AS:632350861979688@1527775602900/IR-LED-connection-with-Arduino-11.png "19: IR LED connection with Arduino [11] | Download Scientific Diagram")
19: IR LED connection with Arduino [11] | Download Scientific Diagram
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