Components that earn their place.

An IR (Infrared) sensor is an electronic sensor that uses infrared light to detect the presence, movement, or distance of an object.

A gas sensor is an electronic sensor used to detect the presence or concentration of certain gases in the surrounding environment.

A soil moisture sensor is an electronic sensor used to detect the moisture level in soil.

The DHT11 is a digital sensor used to measure temperature and humidity in the surrounding environment.

An ultrasonic sensor, such as the HC-SR04, is an electronic sensor used to measure the distance between the sensor and an object.