11 LED Adjustable Chaser With 555Timer
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11 LED Adjustable Chaser With 555Timer
Parts:
Leds: Pack of 25 Can use Purple Ones
Capacitor: 10uf, 100nf(104)
Potentiometer: 10k Linear Mono
Breadboard + Cables + Battery Clip
Place Base Components
The 555 timer and Cd4017 are placed along with the leds and the wires connecting to power and ground.
555Timer:
Pin1 to Gnd
Pin4 to Pwr
Pin8 to Pwr
Cd4017:
Pin8 to Gnd
Pin13 to Gnd
Pin15 to Gnd
Pin16 to Pwr
Add the Rest of the Components
The capacitors, resistors and potentiometer as well as the last led are added.
Capacitors:
100nF(104) Pin5 to Gnd
10uF Pin6 to Gnd NEGATIVE SIDE to GROUND!
Resistors:
10k Pin7 to Pwr
120ohm Pin3 to Extra LED leg
-
1k x10 LED leg to other side
Potentiometer:
10k at edge
First Wires
Right Potentiometer leg to Pin5
Middle Potentiometer leg to Pin7
Left Potentiometer leg to Pin7
Pin6 To Pin2
Alittle More Wires
Pin14 to LED leg
------------------------
CD4017 to Resistor (LED)
Pin3 to LED1
Pin2 to LED2
Pin4 to LED3
Pin7 to LED4
Pin10 to LED5
Pin1 to LED6
Pin5 to LED7
Pin6 to LED8
Pin9 to LED9
Pin11 to LED10
-----------------------
Pin12 No connection
Its Done
Potentiometer Varies the Speed.
DC 5-10V
The circuit can be soldered and then included in a robot to give a cool effect.