Blown Fuse indicator LED Display

A Fuse be the equipment protects that use often most. Because of cheapness can use protect electronics expensive circuit. Generally when fuse torn us can know immediately. but in sometimes Fuse torn already we don’t know. such as in electricity automobile system brake system , the system delays the electric current very much, etc. Fuse torn get into trouble at we must know for immediately the safety. I then beg for to advise the circuit is simple. It is can show with , LED that now. Fuse torn already please. See the illustration by equipment value that show that note for Voltage Source 12V , but if friends want to apply to the level Volt the other. As a result change value R1 and R2 get by can calculate from R1 = (Vin – 2) x 50 and R2 = (Vin – 2) x 10000/2 . Think the work of the circuit has a little, It may help to give friends comfortably go up please sir.

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