The connections are as follows: VCC is the power supply pin for the IR sensor which we connect to the 5V pin on the Arduino. OUT pin is a 5V TTL logic output. LOW indicates no motion is detected; HIGH ...

An infrared sensor is an electronic module that is used to detect the certain physical appearance of its surroundings by either emitting and/or detecting infrared radiation. IR sensors can also sense ...

Objectives To understand the working principles of the DHT11 sensor and its interfacing with an Arduino. To acquire real-time temperature and humidity data and display it using the Arduino serial ...