Pocket construction level: han

Pocket construction level: hang exactly

No construction, repair and finishing work can be done without a building level. Its main function is to determine the deviations of the surface from the vertical or horizontal. The same construction level can be used to transfer the angle of inclination from one structural element to another.
To date, there are a large number of types of building levels. In this article we will consider each of the types of particulars, all the advantages and disadvantages of each of them.
 made on the basis of the Accelerometer
 Accelerometer in the phone: what is it?
It is a device that measures apparent acceleration. Simply put, it is thanks to him that the smartphone determines its position in space and the distance of movement.
The goniometer (synonyms - inclinometer, goniometer, goniometer, angle meter) is a goniometer (tool, projectile) designed to measure geometric angles in various designs, in details and between surfaces (mainly by the contact method) and between remote objects (by the optical method). The measurement is made in degrees, on the basis of a ruler scale, a ruled-circular scale (with a mechanical pointer or arrow), vernier or electronically, depending on the type of instrument.

The protractor in the simplest form consists of two plates (rulers), fastened together on the same axis, remaining movable on this axis (forming a movable angle), with a scale, expressed in degrees. The scale can be ruled or ruled-circular (plotted on a circle around an axis, on one of the rulers). In some practical applications, such as carpentry, adjustment of all angles of a square is not required and usually work with several fixed angles, one of such joiner squares has a special name - a junkie (joiner square, whose rulers are fixed at an angle of 45 ° or in a 45 ° / 45 °). For the first time, protractors appeared in antiquity (in ancient Egypt and ancient Rome), when it became necessary to establish certain angles in various buildings and between surfaces when carrying out construction work.
It is important to understand, without confusing the accelerometer and gyroscope in your phone, that these are different sensors. Some of their functions are the same, some are complementary. In general, the principles of work and the effectiveness of the implementation of specific tasks are different. Many smartphone makers use these two sensors together.