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Awesome, thank you
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You should most probably receive the additional resistor.
So if I ordered a kit a few days ago will it come with the extra resistor?
You will need to amend the program code for it to work on single color MAX7219 matrix modules.
Check out the Youtube video in step 4 on how to test each 8x8 matrix layer before they are soldered onto the PCB and video in step 5 after each layer is soldered onto the PCB. BTW, we will include another 12k Pull-down resistor in the kit set from now onwards.
how to control scrolling speed?
I like the simple design using a serial interface and IC's that directly drive the LED's. It limits the number of wires enormously. Thanks for this instructable.
Oh yeah and also what could I use to test eact 8x8 after they are built.
Hello, I was hoping that someone could tell me what else I would need besides to kit for this, the LEDs, and the Arduino (Uno is what I will be using.) and if the kit comes with the Pull-down resistor (10K or 12K) for between the LOAD and GND pins?
yes sorry, I was having a blonde moment. lol.
You should be able to find these LEDs at most shops selling electronics components. For our LED cube, we recommend 3mm diffused LEDs with legs longer than 24mm. You may also purchase them with our basic LED cube kit set.
There is only one way to install the LED Matrix layer as in the photo after you have soldered in all the electronics components.
Hi, you say to trim the anode leg on the 5th columb because it sits above the ic, but in your photos showing the led grid on the board the ic is at the bottom.....which way is correct or does it not matter which way the led matrix goes?
Hello, I have a little question.I don't have a bicolour dot matrix my modules only have one SMD MAX7219, the code can work with my arduino micro and thoose dot matrix modules?(Sorry, for my english I'm spanish and don't speak wery well the english ^^")
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