Sequential Brake/Turn Lights with IC 4094,7555

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Bar-mode LED-cluster sequencer
Can drive up to 16 clusters

Parts:

R1,R5____________1K 1/4W Resistors
R2______________33K 1/4W Resistor
R3_____________100K 1/2W Trimmer Cermet
R4_______________1M 1/4W Resistor
R6,R7,R8________10K 1/4W Resistors
R9_______________4K7 1/4W Resistor
R10_____________33R 1/4W Resistor (See Notes)

C1_______________1µF 63V Polyester Capacitor
C2_____________100nF 63V Polyester Capacitor
C3_____________470µF 25V Electrolytic Capacitor

D1______________LED (Any dimension, shape or color)
D2,D3________1N4002 100V 1A Diodes
D4–D15________LEDs High brightness, high efficiency red types (See Notes)

Q1___________2N3819 General-purpose N-Channel FET
Q2____________BC337 45V 800mA NPN Transistor
Q3____________BC547 45V 100mA NPN Transistor

IC1____________7555 or TS555CN CMos Timer IC
IC2,IC3________4094 8-stage shift-and-store bus register IC

SW1____________SPST Brake/Turn Lights Switch

Read More Source:
http://www.redcircuits.com//Page105.htm
Thank you.

This entry was posted on Monday, September 10th, 2007 at 10:32 pm and is filed under Automotive, LED Flasher, Lighting. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.