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Lamp flashing alarm automatic

2016-02-21 20:40  
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The Lamp flashing circuit is basic flasher 6V that low current and small size. which we use the transistors are 2 pcs ,is NPN 2N3904 and PNP-2N3906 types, by they have Regenerative feedback send pulse of current 60mS. Which there is tall size arrives at many Amp change low volt lamp for brightness rate of winking many by don’t go to destroy lamp.
Note, you can use the other transistor number example is the NPN type BC548 or 2SC828 and the PNP type BC558 or 2SA1015 that you should see in the datasheet before.

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