A previous Design Idea describes a circuit that uses an astable multivibrator to drive an LED (Reference 1). The circuit in Figure 1 uses a simpler alternative approach. The circuit uses a 2N3904 NPN ...

Circuit Diagram - Color Changing RGB LED Tree. The complete schematic diagram of the color changing RGB LED Tree is shown below the circuit is very simple and easy to understand. The LEDs that we have ...

Fading LED Lights circuit can be created using numerous methods like using microcontroller, ... Transistor BC547. Capacitor – 10uF. ... Battery – 9v . Circuit Diagram and Explanation. The slow fade ...

In today's project, I am going to make a flip-flop circuit by using the most popular NPN transistor BC547 A Flip-Flop LED flashing circuit is a fundamental circuit that delivers a continuous square ...

You can also identify npn and pnp types easily. The tester gives LED indication of the pin-outs as well as the working conditions of the transistors. Easy Transistor Tester. The circuit employs the ...

When a weaker light beam courses through the second optical line, the ring heats up and swells, interfering with the main beam and switching off the transistor. This switch can flip on and off up ...

A transistor tester can be a handy addition to your electronics workbench.This versatile transistor tester design, first presented a decade ago, enables you to quickly assess the functionality of ...

In this video, we are going to show you making a simple electronics project using transistor and LED light. It is a very simple and cheap electronics project that you can make at home. To decorate ...

The circuit is too simple so that it can be enclosed in a small box. A 12 volt miniature battery is used to power the circuit. Two transistors T1 and T2 are used as electronic switches to turn on / ...