Digital multimeters are devices used to monitor various parameters of electrical systems and properties of passive electrical components. This work presents the basic principles of digital multimeters, different implementations, offer on the market and describes development and design of a digital multimeter based on integrated solution that is compatible with Red Pitaya open source platform, both electronically and in the software. The goal of the hardware development was to create an instrument that achieves design requirements on accuracy and robustness and the goal for software was to design a simple and intuitive user interface.
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