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Design of a Low Cost Switching Board Enabling a Reconfigurable Remote Experiment

机译:设计可重新配置的远程实验的低成本开关板

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Most of currently remote laboratories implementations include interactive experimentation. In this case, students use real devices and equipment to perform real experiments, which need some flexibility of interaction with the hardware platform. The hardware platform is composed of a Raspberry Pi as a lab server, a switching board (SB), a practical work circuit board and some measurement instruments. The SB is used to make configuration of experimentation by establishing connection between the practical work circuit and measurement instruments. During the experimentation process, students change the setup using a web page. In the background, the hardware configuration is realized using SB, which is controlled by the lab server. The purpose of this work is to develop a new SB in order to provide more possibilities, interaction flexibility with the hardware platform, ease of use, improve performance in response time and finally reduce the cost of the hardware. The SB is based on switches instead of relays. This board can be plugged directly on a Raspberry Pi to facilitate the assembly. It extends the “SPI” bus in order to control some electronic components such as digital potentiometers. Its use is illustrated with a circuit with multiple combinations.
机译:目前最远程实验室的大部分实施包括互动实验。在这种情况下,学生使用真实的设备和设备来执行真实实验,这需要一些与硬件平台交互的灵活性。硬件平台由Raspberry PI作为实验室服务器,开关板(SB),实用的工作电路板和一些测量仪器组成。 SB用于通过在实际工作电路和测量仪器之间建立连接来配置实验。在实验过程中,学生使用网页更改设置。在后台中,使用SB实现硬件配置,由实验室服务器控制。这项工作的目的是开发一个新的SB,以便提供更多的可能性,与硬件平台的交互灵活性,易用性,提高响应时间的性能,最后降低了硬件的成本。 SB基于开关而不是继电器。该板可以直接插在覆盆子PI上,以方便装配。它延伸了“SPI”总线,以控制一些电子元件,例如数字电位计。它的使用用具有多种组合的电路来说明。

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