LED related schematics

  • Big 7-segment LED display board with SPI interface
  • LED Flasher
  • LED pulser with audible output
  • IR Illuminator
  • Flashing Christmas LED display
  • ICL7660 LED flasher
  • LM3909 replacement using discrete components
  • Color fade
  • 1.5 Volt LED Flashers
  • AC Line Powered LEDs
  • Astable Multivibrator
  • 9 Second Digital Readout Timer
  • 9 Second LED Relay Timer
  • 16 Stage Bi-Directional LED Sequencer, other sequencer and flaser circuits
  • 10 Stage LED Sequencer
  • 28 LED Clock Timer
  • Fading Red Eyes
  • Two Transistor LED Flasher
  • 16 Stage Bi-Directional LED Sequencer
  • Expandable 16 Stage LED Sequencer
  • LED Photo Sensor Circuit
  • LED chaser
  • 7 Segment LED Counter
  • 7 by 10 LED Moving Sign ( 27C512 EPROM)
  • Sequencial LED Flasher with Reversable Direction
  • Tri Color LED Controller with Serial Interface
  • 1.5V LED flasher B (PDF)
  • Low current LED flasher (PDF)
  • 1.5V LED flasher A (PDF)
  • Flashing LED advertising badge (PDF)
  • Flashing LED advertising badge (PDF)
  • Pulsed LED test circuit (PDF)
  • Low battery voltage flasher (PDF)
  • Adjustable flashing LED
  • Knight rider scanning LED lights
  • 3V LED chaser using 4017
  • 6V ultra-bright LED chaser using 74HC4017
  • Led display digital Voltmeter
  • PWM white LED drivers
  • Heart of LEDs
  • Christmas Star
  • Christmas tree
  • LED Counter
  • PIC16F84 LED chaser
  • PIC16F84 LED signboard
  • PIC16F84 LED signboard 2
  • White LED circuits
  • Assorted LED circuits
  • LED Mood Light
  • LED Audio VU Meter
  • Robot Beacon rotating light using PIC12C508
  • LM3909 LED flasher
  • Animated LED signboard (PIC16C84)
  • Picxie 2 - 8x8 Animated LED Signboard