transistor projects Archives | Transistor ON Switch Circuit

transistor projects Archives | Transistor ON Switch Circuit

transistor projects Archives - Electronic Project


In this tutorial, as We will learn how to power supply and build a Light or Darkness detector circuit diagram using Transistor BC547 (Light Dependent and Resistor) transistor. This circuit can be utilized to control and switch lights or other loads based on the ambient light conditions. By incorporating a relay at the output, we can achieve automatic on/off functionality depending on the surrounding brightness.

In this tutorial, project system we are going to demonstrate a project system of a flip-flop LED flashing circuit diagram using BC547. A Flip-Flop LED flashing circuit diagram is a fundamental circuit that delivers a continuous and square wave flashing Circuit Diagram output. This Circuit Diagram is commonly utilized for alarming and indicative purposes like in a project system tig welders etc.

In this project, we are utilizing two transistors of BC547. The BC547 transistor is an NPN transistor. In this transistor, the power supply of a small current of the Circuit diagram base terminal of this transistor will control the circuit diagram huge current of the emitter and base terminals. The main function of the power supply of this transistor is to amplify just for switching and other purposes. The maximum gain current of the current power supply of this transistor is 800A.

Diagram of Transistor ON Switch Circuit:

project with bc547 transistor

Components Needed for this Project:

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Working Principle of Transistor Projects ideas:

In this section, project system we are demonstrating the circuit operation of the circuit diagram flip-flop LED flasher. A fascinating Circuit diagram schematic of this flashing circuit diagram is shown currently above. The circuit diagram requires a few low-cost components which are power supply easily accessible in the market. The circuit is a flip-flop flashing circuit that starts flashing LEDs individually when power is applied. This LED flasher circuit diagram can be worked with a voltage of 3.7 volts, as you can likewise change the power supply voltage of the circuit as per your requirement. Just your project system needs to change the estimations of the current limiting resistors.

The flashing rate of the circuit diagram can be expanded or diminished by changing the power supply estimations of R1 and R2 which are 10k. C1 which is a project system of 220µF, power supply, and C2 which is also 220µF. The circuit utilizes two broadly useful transistors which are named BC547 NPN transistors. The first transistor current Lou was designed with Ge (germanium). In modern electronics, it is the basic building block and is used in various electrical and electronic systems. This article discusses an overview of BC547 transistor working and its applications.

The semiconductor device like a transistor is one kind of switch that controls electrically. It consists of three terminals an i/p, o/p & a control line. These are named the Circuit Diagram emitter (E), collector(C), and base (B). A power supply transistor works like a switch as well as a power supply amplifier to convert the waves from audio to project system electronic. Transistors are smaller in size, long life, and can operate with low voltage supplies.

This circuit uses an LDR (Light Dependent Resistor or Photo-Resistor) as the sensing component. LDR resistance is a project system inversely proportional to the intensity or brightness of the light power supply incident on it. Accordingly, the LDR’s resistance decreases when the brightness of the light increases.

This effect can be observed by connecting an LED in series with an LDR and powering up the circuit. Now, project system if you reduce the brightness of ambient light, the LDR’s resistance will increase, which power supply leads to less current flowing through the circuit diagram (the higher the resistance, the lower the circuit diagram current flow) as a result, as the LED brightness will circuit diagram decrease. When you increase the brightness of the surrounding light, the opposite happens.


Frequently Asked Questions

What is the common emitter of BC547?

BC547 is used in common emitter configurations for amplifiers. The voltage divider is the Circuit diagram commonly used biasing mode. For switching applications, the transistor is biased so that it remains fully on if there is a signal at its base. In the absence of a power supply base signal, the power supply gets completely off.

Is BC547 positive or negative?

A BC547 transistor is a Circuit diagram negative-positive-negative (NPN) transistor that is a project system used for many purposes. Together with other electronic components, such as resistors, coils, and capacitors, the project system can be used as the active component for switches circuit diagrams, and amplifiers.

How does a BC547 transistor work as a switch?

BC547 is an NPN bi-polar junction transistor. A transistor, which stands for transfer of the power supply resistance, is commonly used to amplify current. A small current at its base controls a larger current at collector & emitter terminals. BC547 is mainly used for the project system amplification and circuit diagram switching purposes.

Why use a transistor instead of a switch?

The transistor as an amplifier is used to amplify the circuit diagram voltage or current. The main advantage of using a power supply transistor as a switch is that it can control a Circuit diagram large amount of current with a project system's small amount of current. This property is called gain. The transistor as an amplifier is used in power supply audio systems, radios, and televisions.

What is the use of a transistor in a rain detector?

The circuit diagram uses a bottle cap as a rain sensor that completes a circuit diagram through transistors and a power supply battery when rain touches it. This causes an LED to light up and a buzzer to sound, alerting people that rain has been detected.

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