Distance sensors

Distance sensors – precise distance measurements for every application

During construction or renovation, it is very important to properly measure the distances. The distance measurement must be as precise as possible. Otherwise, we may expose ourselves to constructive imperfections that may even threaten the future helplessness of those living in the building.

Distance sensors - that may also be known as a distance meters, but sometimes with more or less specialist features - are used in many areas of life. In robotics, electronics and production automation, they are almost universal. Automatic focusing systems, distance measurement by robots (e.g. intelligent, self-moving household vacuum cleaners), drones and flying machines are just some of the more interesting examples. However, the list of systems that must use distance sensors is constantly growing with new applications and devices.

There are various types of laser meters available on the market. We know, however, that every real electronics engineer and DIY enthusiast can make such a meter on their own. For this, however, it needs a basic structure consisting of a module for precise distance measurement. You will find such electronics in this category that can be applied as Arduino laser distance sensors, Raspberry Pi sensors or just versatile meters for your projects.

How do distance meters and sensors work?

Distance sensors, contrary to appearances, are not complicated devices. The core of each such sensor is an emitter which emits an ultrasonic wave at a given frequency. When this wave meets an obstacle, it returns to the source (sensor) and is received. The way it returns and the time are important data that are analyzed and processed, so you can determine exactly what the distance from the sensor to the point where the wave meets resistance. So the time of return of such a wave is the most crucial in this case. Precise distance sensors, e.g. devices used in robotics such as Arduino laser distance sensors (you can buy it here too), must be properly programmed to separate the real measurement from possible random disturbances. The wave sent from the device may reflect on various surfaces and interfere with the reading. If the signal returns to the sensor in less than the specified time, it means that the measured object is within its range. If the wave return time is longer, then

the wave was probably reflected from a wall or machine housing. It is worth adding that there are different types of distance sensors, and the above description of the operation of such sensors applies only to sensors that send waves (ultrasonic waves; laser waves) in order to measure a given distance.

Main advantages of ultrasonic and laser sensors

Certainly, ultrasonic technology has its drawbacks – the susceptibility to interference always should be highly considered. Nevertheless, distance sensors using ultrasonic waves have a lot of advantages. First of all, they are devices with high resistance to dirt, and some products are even capable of self-cleaning, which is very important when measuring in field conditions. What's more, distance sensors can work in almost any circumstance. They are not susceptible to most adverse weather conditions. These devices will also have no problems detecting transparent materials such as optical sensors. Coarse dust and dense dust are no challenge for distance sensors using modern ultrasonic technology.

Sometimes, however, some applications require different measurement tools. The most popular alternative is laser sensors. If you know a popular cleaning robot, you probably know what's going on. The transmitted laser beam allows you to determine the distance to any other objects, obstacles, etc. You can also find these types of sensors in our store. Equip yourself with them and start building your own robot now. All distance sensors available in our store are of the highest quality and are available at very attractive prices!