The fuse box indicator (1)

Published:2011/7/23 21:45:00 Author:qqtang | Keyword: fuse box, indicator | From:SeekIC

Here is to introduce a fuse box indicator composed of the CMOS digital integrated circuit and double color LED VL, which can monitor the fuse box working state in the car. When the fuse box is normal, VL is glowing green light; when the fuse box is broken down, VL is glowing red light.The working principle of the circuitThe fuse box indicator circuit consists of resistors R1-R9, NOR gate integrated circuit IC(Dl-D6) and double color LED VL1-VL3, see as figure 7-44.



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