An IR sensor consists of IR Transmitter which is used for emitting IR rays and IR Receiver (Photodiode) which is used for detecting that emitted IR rays. Normally, the range of an IR radiation from a ...

IrSensor-Block-Detection-Lib is for supporing multiple Ir-Sensor bases block together in chain with less complexcity of the programming max we can connect any number of block till the arduino has ...

Block Diagram for Bidirectional Visitor Counter. ... Here Digital pin 2 is connected to the IR sensor 1 signal pin and Digital pin 3 is connected to the IR sensor 2 signal pin. int in_count = 0; // ...