Unexpected Changes in the power supply may become the cause of many problems in the homes, offices, and industries. Voltage up down in the electric power have a very dangerous effect on the connected load. Fluctuations of over voltage and {Read More}
4 volts simple inverter: In mini electronic projects, conversion of DC voltage to AC voltage is a very interesting and common problem. In most circuits, we observe that almost all design of circuit takes the AC input and gives DC {Read More}
There is a list of touch switch circuits some are complicated and some are very simple. In this article we are going to build some simple touch switch circuits. We will use basic components( transistor and popular IC like 555 {Read More}
In this article we are going to show you a simple LM386 audio amplifier circuit. Circuit diagram of the LM386 audio amplifier is shown in the given below diagram and animated picture. It is built by using popular amplifier LM386 {Read More}
Latch is logic circuit of electronics which has two stable states. A latch is a device similar to a transistors. It has 3 terminals which function like a transistor base, collector, and emitter. In transistor when current is fed to {Read More}
For most systems single transistor amplifier does not provide sufficient gain or output impedance matching. The solution is only to combine multiple stages of amplification. In this amplifier circuit we are going to shows a simple two transistor amplifier. In {Read More}
An audio amplifier is a device that multiplies an applied input signal amplitude to a level that may be much higher than the input signal. The input is given in the form of audio or music. The amplifiers are classified {Read More}
Non-Contact Voltage Detector: Electricity can cause injury or even can become the cause of death that is why safety must come first when working with electrical devices or electricity. In this article, we will show you how to design a {Read More}
In this 220 v blinking led circuit, we powered a 3-volt dc led directly with 220 V AC. This circuit can be used in special places to identify the main voltages. The capacitor is charged by a 470 k resistor {Read More}
1. Simple Voltage level indicator Here, we have given an idea about a very very simple voltage level indicator in different two ways. voltage level indicator with resistors and voltage level indicator with Zenor, Both circuits are very simple {Read More}
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