Sequential Flasher Christmas light strings by SCR
Here is a simple circuit for sequentially flashing Christmas light strings or other similar low-power lamps. The socket symbols may be single bulbs or sockets for lamp strings. The load must be capable of operating from DC since the SCRs rectify the line voltage. The SCRs must be sensitive-gate types and must be able to handle the load current and line voltage. The 1uF capacitors are non-polar film types. A fuse is indicated and a GFI type of outlet is recommended.
Read more original source:
http://www.techlib.com/electronics/powerflashers.htm
Best View 800x600 pixel
Email : 
Copyright 2008 www.elecfree.com/electronic/
