touch switch circuit

Touch switch circuit using Transistor

July 17, 2019 admin 0

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}

Amplifier Using LM386

LM386 Audio Amplifier Circuit

May 27, 2019 admin 0

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}

Class A power amplifier circuit

Two Transistor Amplifier

May 25, 2019 admin 0

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}

Single Transistor Amplifier

Single Transistor Amplifier Circuit

May 23, 2019 admin 0

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}

Led flsher 220v

LED blinker directly with 220 VAC

May 9, 2019 admin 0

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}