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Variety of LED circuits
Winking LEDs
LED flashing light
LED initials
LM3909 replacement using discrete components
Color fade
LEDs shimmer randomly as though on fire
LED power supplies for AA cells
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)
LED Flasher
LED pulser with audible output
IR Illuminator
Flashing Christmas LED display
ICL7660 LED flasher
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
PWM white LED drivers
Heart of LEDs
Christmas Star
Christmas tree
LED Counter
PIC16F84 LED chaser
PIC16F84 LED signboard
PIC16F84 LED signboard 2
LED Stroboscope - Maintains constant brightness at all flash rates
White LED circuits
Assorted LED circuits
LED Mood Light
LED Audio VU Meter
Scrolling LED sign
LM3909 LED flasher
Animated LED signboard (PIC16C84)
Picxie 2 - 8x8 Animated LED Signboard
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