Interaction type electric learning white plate and operating method thereof
An e-learning and interactive technology, applied in the direction of teaching aids for electrical operation, electrical digital data processing, static memory, etc., can solve the problems of the mechanical structure of the sensing part, the complex circuit structure and the high cost
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Embodiment 1
[0038] Please refer to figure 1 As shown, the interactive electronic learning whiteboard in this example includes a whiteboard body 1, a sticker attachment 2, an MP3 player device that can be inserted into an SD card, and a recognition computing unit. Please refer to the circuit structure of the playback device figure 2 As shown, it includes an MP3 codec main circuit, flash memory FLASH, an SD card reader circuit, sound effect appliances, speakers, and microphones. The identification operation unit includes an A / D converter and an encoder. The encoder adopts a 3-to-8 encoder. The output ends of the encoder and the A / D converter are respectively electrically connected to the MP3 codec main circuit. The encoder, A / D Each input terminal of the D-converter respectively leads out several sets of electrical contacts corresponding to each other, and is arranged in the positioning grid on the surface of the whiteboard body. The main circuit of the MP3 player can directly adopt an i...
Embodiment 2
[0049] Please refer to Figure 5 , as shown in Figure 6, on the basis of Embodiment 1, the interactive electronic learning whiteboard of this example adds a human body sensing circuit on the front of the whiteboard body - using a human body infrared thermal sensor 33, when it senses that someone is approaching, it can Automatically play the corresponding content on the sticker attached to the whiteboard body to strengthen children's memory. You can also use it to leave a message, and after sensing that other people come back, the message will be played automatically.
[0050] Please refer to Figure 7 , Figure 8 As shown, the attachment 2 of this example includes a substrate 25, a PCB circuit board 26, a magnet S pole 271, and a magnet N pole 272; the substrate 25 is a hollow plastic cuboid, and different characters, letters, symbols, numbers, etc. are printed on the front side, The PCB circuit board 26, the S pole magnetic particle 271, and the N pole magnetic particle 27...
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