Components Used 2 x Arduino (Uno, Nano, etc.) 2 x nRF24L01 RF modules 1 x Potentiometer 1 x LED 1 x Resistor (220 ohms) Connecting wires Breadboard Circuit Diagram Transmitter Side Connect the ...

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IR Sensor Pinout. The IR sensor has a 3-pin connector that interfaces it to the outside world. The connections are as follows: VCC is the power supply pin for the IR sensor which we connect to the 5V ...

Other than emitting invisible infrared light, IR LED looks like a normal LED and also operates like a normal LED, means it consumes 20mA current and 3vots power. IR LEDs have light-emitting angle of ...

It contains an Infrared transmitter and Receiver LED which is used to detect the eye blink. The working of the simple IR sensor is shown as below: As shown in the image above, infrared sensors consist ...