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Home > Electronic Tutorials > Quick Reference Links to Some Useful Circuits > LED related Schematics and Tutorials

Quick Reference Links for Some Useful Circuits

LED related Schematics

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

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