LED Based Running Display
Review: 5 - "A masterpiece of literature" by , written on May 4, 20020
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LED Based Running Display

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  • Product SKU: LGKT087
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  • Product Code: LGKT087
  • 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.
  • 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.
  • 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

The LED-based running display creates an eye-catching running display effect using LEDs. It can be used to light up borders of animations, pictures, etc, and also for short word displays. In this project, we have used some simple components like 555 timing IC, Decade Counter IC CD4017, and transistors.

The kit-led-based running display uses IC NE555 and a popular decade counter IC CD4017. This display consists of 16 LEDs of four layers. The  NE555 is wired as an astable multivibrator whose output triggers the CD4017 counter. On powering up the circuit, the timer starts to oscillate to produce triggering pulses. These pulses trigger counters IC 4017 and it counts from 0 to 5. These outputs are fed to general purpose NPN transistors BC547 which are used as current drivers for each led layer. As each of the counter outputs goes high, the corresponding led layer glows sequentially. After it counts up to 4 values it resets to zero and the process repeats.

Block Diagram

LED-Based-Running-Display-block-diagram

Physical Attributes

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

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