USING DIGITAL MEASURING SYSTEM BASED ON THE PLATFORM ARDUINO IN LABORATORY PRACTICAL WORK IN PHYSICS

This article describes a method of setting laboratory works on physics, using digital measuring systems, including computer, sensors of various physical quantity, connection device sensors with a computer and a corresponding software. Delivery digital measuring systems to educational institutions are ready to work and do not require programming microcontrollers. However, according to the authors’ opinion, there is an available way of performing laboratory work in physics, that provides more detailed acquintance with the software and hardware of measuring systems. In particular, this applies to students of IT-profiles. The article presents the training and methodical materials with the aim to acquaint students with the measuring system on the basis of hardware and software platform Arduino and to show the possibilities of its application for statement of laboratory works on physics. The choice of the Arduino platform is caused by such advantages as an open initial code and open architecture, available programming environment, and low cost. It should be noted that the use of digital measurement systems based on the Arduino makes it possible to combine it with the existing laboratory traditional equipment. Due to this, first, the continuity between new and traditional methods of conducting experiments is ensured, and second, the costs of setting new laboratory works are significantly reduced. Teaching materials include the following modules: 1. Introductory text for the formation of students’ concept about microcontrollers. This material introduces students to the historical information on the origins and development of microprocessor technology, to elemental composition microcontrollers, variety of modifications, and the application area. The main focus is on the characteristics of software and hardware platform Arduino. 2. Guidelines for installing software and testing Arduino board. Students are advised to install the IDE software for the Arduino, connect Arduino UNO board to a computer, install the drivers, test fee. 3. The material for the study of basic language constructs and syntax Arduino IDE. Here is the required minimum programming knowledge. 4. Guidelines for laboratory work using the Arduino platform and the corresponding sensors of physical quantities. As an example, a description of two laboratory works, «Measurement of specific heat of Metal sample» and « Study of damped oscillations of «mathematical» pendulum ». Perform activities include assembly, programming, testing measuring complex and measurements with its use. Data processing is carried out in the medium MS Excel spreadsheet processor. The desired quantities are determined by the construction of graphs using the least squares method.

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