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Traffic Light.
A two-way Traffic light using a PIC 12F629. As bonus, a traffic light that doesn't use a PIC is included. (05/13/2004)
Source: http://www.josepino.com/?pic_traffic_light Tags: microcontroller
circuits
homemade
automobile
CODE: JP6294 FUSE SETTINGS: Internal RC
I found that kids love to play with toy cars, and they enjoy the game using a traffic light while playing.
Taken from http://www.josepino.com
Here is the picture of an "I-made-this-one-quickly-and-simple-as-possible" traffic light.
The 12F629 microcontroller have enough pins to light up 20 LEDS, so why I have to use a 16F84? - Update: (A 12C508 will be perfect, but I had no one available back on 2004)
Easy to build, minimun components. Here is the circuit:
Download the HEX code
HERE
Use only 3 Volts. If you want to use it with 4.5 or 6.0 Volts, put a 470 Ohms resistor on each LED. Otherwise the voltaje can light up more than one LEDS.
BONUS: You can't use microcontrollers yet? Here is the circuit using CMOS 4017 IC.
< PIC Programmer sent by Fco. Arroyo.
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