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Production
of Reverse warning device


Because it is about 10 years ago that I made this circuit, the part that is using is difficult acquisition at present.
Especially µPC575C2 of the electric power amplifier is difficult acquisition.
Even with, because there is in addition IC of the same function, you can make it with acquisition possible IC. Naturally, the pattern drawing needs to remake when it is suited, because it is not able to use as it is.
I think that it is able to use TA7368P, AN7142, MC13060, LM377, LM380, LM386N-4, LM388N-3 etc.
As for the pin arrangement, confirm in the standard table.

Circuit drawing

Pattern drawing

Parts list

Adjustment
The photograph of the top is reverse warning device that at present I am using.
The circuit where I introduce in this page is the one that improved this.



Circuit block diagram