Introduction: USB Traffic Light
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About: I have been playing around with things that have wires since I was 2 years old...Now I specialize in most anything that involves robots, wires, engines, fire, rockets, cars, motorcycles, jets, metal working, w…
*Update I have made the PCB layout for this Traffic Light*
In this instructable I will show you how to make a USB Traffic Light.
Parts
(1) LM555 Timer
(1) 10µƒ Electrolytic Capacitor
(1) 0.01µƒ Ceramic Disc Capacitor
(1) 1MΩ 1/4-watt resistor
(2) 4.7KΩ 1/4-watt resistors
(1) 1KΩ 1/4-watt resistor
(1) 10KΩ 1/4-watt resistor
(1) NPN 2N2222 Transistor
(1) USB Male Plug
The Picture of all the parts is in the next step
Attachments
Step 1:
All the Parts.
Step 2:
Here is the schematic. Please leave comments & rate me. Sorry, the Schematic made on word got messed up. I'll try to update it with a better one.
