Driving A Bicolor LED
Review: 5 - "A masterpiece of literature" by , written on May 4, 20020
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Driving A Bicolor LED

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  • Product SKU: LGKT040
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Highlights
  • Product Code: LGKT040
  • Technical Support: upto 30mins Video support
  • Handmade
  • Make in India
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Details
  • Unsoldered PCB and all components to be soldered on PCB.
  • Includes all ICs, Connecting wires and LED.
  • Documentation: PCB Specifications Component list and Circuit diagram.
  • Power Supply: No battery included, Includes 12 Volt DC adapter with the kit.
  • Video tutorial is available on YouTube.
  • One set of the readymade in working condition.
  • Includes all ICs, Connecting wires and LED.
  • Documentation: PCB Specifications Component list and Circuit diagram.
  • Power Supply: No battery included, Includes 12 Volt DC adapter with the kit.
  • Video tutorial is available on YouTube.

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Specification

Description

Bicolor LEDs usually contain both GREEN and RED LEDs, which can be connected 'inversely parallel' in the kit driving the LED. Accordingly, the LED illuminates green when the current moves one way through the device, whereas the LED lights red if it travels the other way.

The Driving A Bicolor LED Kit is similar to some flasher circuits using IC555 as an Astable multivibrator. The only difference lies in the way it flashes using bi-color LEDs. When output at pin 3 of IC 555 goes high it operates on a group of LEDs. By inverting the IC’s low output by PNP transistor BC557 the other group of LEDs is made to flash.

This LED Circuit Tool alternately flashes a red/green bi-colored LED. When the output of pin 3 of 555 timer IC is high then the potential difference across the NPN transistor BC557 and pin 3 will same so there will be no current flow across the transistor so the green LED will be turn off.

Block Diagram

Driving-A-Bicolor-LED-block-diagram

Physical Attributes

  • Dimensions (cm) L x W x H : 20 x 15 x 5
  • Weight (gm): 200

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Customer Reviews

Based on 3 reviews
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c
chizo_harsh
I like

I like it very much ??????????. A easy way to learn it

S
Suresh Kumar Dash
amazing

Great product! Highly recommended! Loved it!

j
jagan
good

Very good for starting to engineer..