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On the basis of a "blinking" led VD3, the author has developed a "flashing" network lamp (Fig.1), which can be used in discos, Christmas tree, etc.
C1VD1R1VD2C2 form a rectifier to power the "blinking" led constant voltage, R2 limits the current of the control electrode of the triac VS1. The switching period is determined by the properties of VD3. In General, the scheme is able to avtomatizirovat load capacity of up to 3500 watts.
Author: Colors Manolov; Publication: N. Bolshakov, rf.atnn.ru