Text, or heart-shaped patterns, smiley face patterns, etc. can be displayed through the 16*16 dot matrix screen principle, and animation effects can also be displayed. It is controlled by a 51 microcontroller and assisted by a 573. It has the characteristics of high efficiency, long working time, and not easy to burn out. , using 573 has simple and convenient programming, and also saves interface requirements. The red patch on the top is for beautification and also serves to indicate whether there is power or not.
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It is your responsibility to test the circuit yourself and determine its suitability for you. EEWorld will not be liable for direct, indirect, special, incidental, consequential or punitive damages arising from any cause or anything connected to any reference design used.
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