The following post describes a simple yet useful car speed limit warning indicator circuit which can be used in vehicles for getting an instant indication of a possible over speed […]
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Low Battery Indicator Circuit Using Two Transistors Only
The following post describes a simple low battery indicator circuit by using just two inexpensive NPN transistors. The main feature of this circuit is its very low stand by current […]
IC 555 Low Battery Indicator Circuit
The article explains a simple low battery indicator circuit using the IC 555 and a few resistors only. Circuit Concept Many electronic circuits such as emergency lights, battery chargers, UPS systems, […]
Car Turn Signal Flasher Circuit with Lamp Malfunction Indicator
The post discusses an automotive/car turn signal indicator circuit idea with a built-in load malfunction indicator, meaning an additional LED lamp fitted on the dashboard which would warn if any of the side indicators […]
Sequential Bar Graph Turn Light Indicator Circuit for Car
The article illustrates a simple yet innovative, fancy car turn signal light circuit which produces a rising bar graph sequence effect when switched ON. The circuit idea was requested by […]
Make this Temperature Indicator Circuit with Sequential LED Display
In some of my earlier articles we have seen a few simple and interesting temperature indicator circuits, in this article we will try to upgrade one of them into a […]