Know the meaning of Symbols


In Electronics, standard symbols are used to represent Volt, Current, Resistance, Power etc. These standard symbols are seen in electronics theory as well as in circuit diagrams. See the purpose of its use and the variations in representations.

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Unusual LED Indicator


Here is an Unusual LED indicator for the Battery. It turns on fully when the battery voltage is above 13 volts and starts to blink faintly when the voltage drops below 12 volts .Finally the LED turns off  when the voltage drops below 10 volts. Its design is unusual because the LED driver transistor is connected in an unusual way.

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