In this article, we will teach you how to connect a car battery. Polarity tester electronics circuit that will easily test the polarity of a DC source. The components needed and connection diagram is given below. Is it easy to {Read More}
LM3914 is an analog controlled LED driver IC, launched by the national semiconductor in 1980. It can control 10 LED lights based on an analog input voltage. It is best to alternate microcontroller ic where 10 LEDs have to control {Read More}
In this project 3.7v battery low full indicator circuit, we are going to make a very simple battery level indicator. This indicator circuit is for a 3.7 volts indicator. We have designed this circuit with few components at home with {Read More}
A rain alarm sensor circuit is very beneficial device for alerting when rainfall. The following circuit diagram is Rain alarm circuit. The diagram shows a water detection circuit. It consists of two NPN transistors. When there is no rain fall {Read More}
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