Circuit Diagram Need of IC 4049 for LED torch Circuit: As we know it is impossible to glow three white LEDs in series with full brightness using 5v/20mA directly, if we connect the LEDs in parallel ...

Circuit Diagram Above figure shows the circuit diagram of dark detecting LED. This circuit shows how we can convert a simple astable mode circuit to a “ dark sensor ”. We just need to add an LDR and a ...

Due to the advantages like low voltages, long life, cheap, reliable, fast on-off switching etc, the LED's are used in many applications.

Follower-LED-Circuit-using-IC555-IC4017 In this tutorial i will show you how to make simple a LED Chaser or Sequencer using 555 & 4017 circuit. You can watch the video which is embedded in this step ...

This circuit can be used to test up to three LEDs at once, connected in series. You can easily increase that number by using a higher supply voltage. If ...

In this post, two LED blinking circuits are given below. First one is dancing bi-color LEDs (two different color LEDs) where the two color LED will run in ...

LED-Chaser-circuit-using-IC-555-IC-4017 In this tutorial i will show you how to make simple a LED Chaser or Sequencer using 555 & 4017 circuit. You can watch the video which is embedded in this step ...

Here is a PC driven LED display circuit to generate sequentially running light effects using a simple program written in C ...

This is a simple flashing led circuit with 2 leds and 2 NPN transistors. It illustrates the behavior of transistors and capacitors and if you use an ...

Here is a simple green LED flashlight built around 555 timer IC and powered from a 3V battery pack. Key component of this flashlight is a 555 timer that is configured as an astable multivibrator ...