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Dynamic Mesh Network Implemented in Micropython on Top of ESP-NOW Protocol
Šesták, Jindřich ; Hujňák, Ondřej (oponent) ; Malinka, Kamil (vedoucí práce)
The goal of this thesis is to create a dynamic mesh network using ESP32 microcontrollers for IoT and sensor networks. The mesh consists of several nodes interconnected in a tree structure and is able to overcome node failures. This is fulfilled by creating a new mesh solution that is able to operate with and without an Internet connection. The use of MicroPython enables asynchronous operations to be run in a non-blocking manner. The project is built on top of two protocols, proprietary ESP-NOW and common WiFi. The solution brings possibilities for quick mesh application development, but it is limited by memory consumption. The functionality was tested by the creation of a demo application with three practical scenarios for home use.
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Návrh a realizace mobilní meteostanice
CHYTRA, Petr
Tato diplomová práce se zabývá návrhem a realizací mobilní meteostanice, která umožňuje měřit teplotu vzduchu, relativní vzdušnou vlhkost, atmosférický tlak a především koncentrace suspendovaných částic v ovzduší, na které je práce zaměřena. Přenosná meteostanice musí být kompaktní a mít vlastní zdroj elektrické energie pro napájení. Součástí práce je taktéž provádění vlastích měření ve vybraných lokalitách.
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Dynamic Mesh Network Implemented in Micropython on Top of ESP-NOW Protocol
Šesták, Jindřich ; Hujňák, Ondřej (oponent) ; Malinka, Kamil (vedoucí práce)
The goal of this thesis is to create a dynamic mesh network using ESP32 microcontrollers for IoT and sensor networks. The mesh consists of several nodes interconnected in a tree structure and is able to overcome node failures. This is fulfilled by creating a new mesh solution that is able to operate with and without an Internet connection. The use of MicroPython enables asynchronous operations to be run in a non-blocking manner. The project is built on top of two protocols, proprietary ESP-NOW and common WiFi. The solution brings possibilities for quick mesh application development, but it is limited by memory consumption. The functionality was tested by the creation of a demo application with three practical scenarios for home use.
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Beehive Security System Against Unauthorized Manipulation
Milota, Martin
The paper deals with the design of beehive security system against unauthorized manipulation.This system uses LoRaWAN wireless communication technology for data transmission.The device records the movement of the beehive using an accelerometer and then locates the beehiveusing a GPS module. This low-energy system works via a battery-powered ESP32 microcontrollerand is located on a beehive.
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