In diploma thesis we describe the activities of the development and implementation of the wireless module RN171 in the electronic circuit, and the other electrical circuits that are connected with the meter and the data logger (DL). The whole system of devices works according to the principle of the Internet of Things (IoT). A software update and a protocol for operating the wireless module RN171 are described. The communication of the wireless module RN171 with DL is via the universal asynchronous receiver-transmitter (UART). For the prototype operation, we developed an electrical circuit diagram, a printed circuit board and we established the wireless module RN171 connected with to the internet access point.
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