The principle of the work is mainly to use a three-axis acceleration sensor to collect angle information and convert it into the required timing time. At the same time, it is used to collect motion information as a timer control signal.
This design uses GD32F350 as the main control, OLED12864 as the display screen, and the ESP8266 module as the display of the network connection module. After the system starts, it will automatically connect to the server (using server software written in Yi Language). You can then use the B2 button to obtain network time updates to the microcontroller system and calibrate the current time. In the receiving mode, pictures and text information from the server can be received. The microcontroller processes the transmitted information and displays it on the OLED screen. The design can be used as a task server, sending tasks from the network and then displaying them using OLED for easy viewing. It can be used as an electronic note and placed at home or at work to remind yourself of the work that should be completed today. The design also includes an alarm clock. Users can set an alarm clock to remind themselves, which can be used to wake up, task reminder, etc.
This LED toy uses an acceleration sensor to obtain acceleration, calculates position and acceleration, and displays the sand grains on the LED display. The sand grains flow and collide with the angle of the LED.
The Bluetooth base station designed this time for smart running shoes is mainly used in school classrooms, gyms and other places. Taking school classrooms as an example, schools and parents pay attention to students' daily exercise and learning status, and balance work and rest. Students put on smart shoes and place Bluetooth base stations in the classroom. Without getting rid of mobile phones, each student's movement status can still be collected that day. When students attend class, the base station automatically connects to the smart shoes via Bluetooth and obtains the step count, and stores the student ID and step count. After the day's class, the teacher can use the PC software to check the status of the students that day. During the class, the teacher can also use the PC software to control the connection to the designated smart shoe device.
"Portable information board", as the name suggests, displays the information you want to display on a device (screen) that you carry with you. The inspiration for this idea was that I met many elderly people who were lost before, but some of them were too old, had poor memory, forgot where their home was, couldn’t find their family members’ phone numbers, etc. (Although there are only a few, they are still exists, and China’s population is aging increasingly, so the proportion will inevitably increase).
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