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Multiple sets of colorful light chain circuits that flash in cycles (Part 3)
Source: InternetPublisher:super_star Keywords: Lanterns diodes thyristors Updated: 2021/05/26
The 220V mains power is half-wave rectified by the diode VDi to charge the capacitor Cl-C3. Since
the charging will not be completely synchronous, one thyristor must be turned on first to light up the lanterns of this group, so the three groups of lanterns ELi~
EL3 take turns to light up. On and off.
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