Description: Special effects breathing lamp
Engineering description
The functional requirements of this module is to achieve the 8 lights before 1s slowly darken, after the 1s slowly brighten, and constantly repeat the above operation.
Case Supplement
The LED of the breathing lamp works at different power at different times, fitting brightness changes with different brightness values, so as to form very smooth and soft lighting effects. The brightness changes are actually determined by the duty cycle of the cycle. The duty cycle is changed by the count of CNT2, and each time the change is 1ms, the period of the PWM is 1ms.
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至简设计法--特效呼吸灯.docx
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