Lighting controller circuit

  
Circuit works: The controller consists of a power supply circuit, a control circuit and audio amplifier is composed of three parts.
Lighting controller circuit - schematic

Power circuit from the VD1 ~ VD4, R1,, C1, LED1 and LED2 and other components. After 220 V AC by VD1 VD4 a full-wave bridge rectifier output pulse red DC for four bulbs A, B, C, D use. This pulsed DC has been brother Buck limiting make LED1, LED2 light.




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