Make a 8x10 L.E.D Matrix

Step 6 It's done

Now you can try and make your one patterns and images and you will know how to use the 4017 IC
and the 74HC595 shift register.

Comments

[berniech]

Nice project, it works nicely in 8 x 10 matrix and I try to extend it in a 15 x 10 matrix, daisy chaining 2 shift registers, but it doesn' work! could you help me, showing your way of connection?
Thank you

[Syst3mX]

You should check out my instructable on making a 24X6 matrix.
The matrix uses 3 shift registers daisy chained so you can make out the connections there.

Good luck and congratz on your LED matrix.

[berniech]

Many thanks for your answer! II'll try according to your 24x6

[dreadnought12]

what if i used source boost IDE for the programming? how can i program it? what codes should i use?
please reply.. i need your help :))

[Syst3mX]

Never heard about that IDE but the big problem is that the Arduino IDE uses a different language(well not really it's C but it wouldn't work on any other system).
You will need to rewrite the my code to fit the IDE you are using.

[KcPower]

is there a way to make it bigger? (like 20x15)

[Syst3mX]

There is a way but you will need to change a lot of things to make it work.
I think you will have to use only shift registers for this type of a matrix.
5 register should do it (3 for row control and 2 for scanning).
I can give you a better shift out function to will send data faster to the registers.

[pickle_64]

Hi, i'm currently building your instructable and hats off to you, it's very detailed and easy to understand.

If i wanted to make it portable, how could it be programmed and run with arduino constantly there?

is this possible for batteries, etc...

[Syst3mX]

Sure this is very easy, if you want to use the arduino board just upload your program( no need for a different program)  and connect a 9V battery to the DC jack.

[pickle_64]

how could i do this without the arduino? i have one, i'm just considering puting it into a card for a special someone...

[Syst3mX]

You need leave just the ATMega chip and follow this instructaions:
http://www.arduino.cc/en/Main/Standalone

[MultiViews]

Hi, i'm a noobie in this section but the transistors have 3 pins. How are they connected and where is "Reset", "Clock", "Clock inhibit" & "Carry out" connected from the 4017 () I don't know if they have the right name but i hope you understand :)

[InfamousKirch]

Methinks the best way to explain the way the transistors are working in this is that they are being used as a switch, when a voltage is applied to the BASE it's allows current to flow from the COLLECTOR to the EMITTER, when the voltage is removed from BASE, the COLLECTOR and EMITTER disconnect.

[Syst3mX]

OK about the transistors,Now you should go this PDF : http://www.fairchildsemi.com/ds/2N%2F2N3904.pdf
there you will see what every pin does. The middle pin is the base you need to connect it with a resistor to the output pin of the 4017. The left one is Collector you need to connect it to the negative pin of the LED's, and the right pin on the transistor is the Emitter and you should connect it to ground.
About the 4017, I have added (in step 3) a link to a good site to learn about it.
And here is a picture with the pins functions : http://www.instructables.com/file/FGHGATNFWMO2YYQ/

Hope I helped you.