This is a really easy to do video game system with a LED screen.
I made it trying to keep it as tiny and cheap as possible.
It uses only one IC, a PIC16F628A and 9 bipolar transistors, has 4 buttons for control and a swich for turning it off.
It also has a tiny speaker for making some sounds.
The power is given by four ni-mh batteries, and the consume is so reduced and you will keep them charged for a long time.
Games: So far I have only programed three games but I gonna do more in the near future (see steps 9,10,11 and 12 for more info about the games).
I hope you like this instructable and make your own portable game system.
Ps: I am from Argentina so let me know for any grammar mistake.
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It just use some electronic components, most of are them recycled.
Transistors: Use 9 transistors BC548 or similar.
Even 2N3904 can be used but their terminals are opposite, very careful when soldering if you choose these ones.
LEDs: they are at the forefront of this project. Only the four lower LEDs are RGB, the rest are common red LEDs.
If the light is different from the LEDs you can diffuse then using a sandpaper.
Switches: try to get good quality switches. I used switches from a monitor for the shoulder buttons and I bought the front ones.
Resistors:
9 - 1k ohm
4 - 220 ohm
4 - 10k ohm
1 - 560 ohm
Capacitors:
1 - 100 uf
1 - 100 nf
Microcontroler: PIC 16F628A
Misc: An on/off switch, a piece of plastic, 8 screws, 8 spacers, 1 piezo transducer (the little speaker that looks like a coin).
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thank you
first how long did it take you to become this smart?
second if i used a PIC16f628 would there be any difference at all?
first of all... compliments!
so, has the leds got tipical voltage, or i can go on an electronic store and take the first red and rgb leds that i find....
please replay to me!
P.S. i'm italina so.. if there are some mistakes don't care of theme!