MQ3 is an alcohol detective sensor. It detects presentation and presence of the alcohol in the air. This sensor is one of the most commonly used sensor. It is metal […]

LM35 is another cheap and small sensor that you can use in your projects. You don’t need any other components to work with this sensor. Some wiring and Arduino code […]

This sensor is used to measure the temperature and humidity. The feature of this sensor is that we do not need any components to measure temperature and humidity.We have two […]

How ultrasonic sensor works? As mentioned in the name ultrasonic sensor, it works on ultrasounds. First of all, we have to know about ultrasounds. These are the high-pitched sound waves […]