transistor

PNP Transistors

The first bipolar junction transistor was invented in 1947 at Bell laboratories. “Two polarities”is abbreviated as bipolar,...

NPN Transistors

The first bipolar junction transistor was invented in 1947 at Bell laboratories. “Two polarities” is abbreviated as bipolar,...

Water Level Indicator Alarm

Water tank overflow is a common problem which leads to the wastage of water. Though there are many solutions to it like ball...

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