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In this paper, we mainly focus on developing IoT teaching aid for learning microcontroller and sensor applications, wireless transmission, and information security. By means of the MCU pin setting and application of the sensor, the user can achieve the purpose of learning to write the controller program in a project application manner. Learning aids with wireless transmission and encryption capabilities allow learners to learn wireless transmission and wireless encryption programs through the development tool. By further combining various sensors into the development tool, it can become a variety of application topics, and can further develop into automated robots in life. In order to achieve the above development goals, the teaching aids use ATmega2560-16au and CC2530 as microcontroller chips, and the software program uses Arduino and ZigBee, combined with UART and AES symmetric encryption.
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