I have an 8x8 RGB led with 24 pins, and I have no idea how to wire it. I have looked all over the internet and could not find anything similar to what I have. I just need help knowing how to wire it.
Hey throw us some pictures front and back.
If it just LEDs and no controlling electronics, and you dare, you could make a probe from a five volt power supply or 3 or 4 AA batteries and a 1K resistor. You could also use 5 volts off an Arduino or a cellphone charger.
Probing two different pins and switching the probe leads for each test for forward and reverse current might make LEDs light up and allow you to figure out the pins.
Don't unless you understand! Do not omit the series current-limiting resistor.
a7
How do you know it is RGB?
I would expect an RGB matrix to have 32 pins.
A bi-colour matrix would have 24 pins.
Are there any part numbers printed on the edges of the display?
I just left my class sorry. I can take a picture of it tomorrow. My professor said that it’s RGB but I don’t think she really knows.
There were some, but I didn’t know what they ment.
Isn’t that last one for one with 16 pins tho?
Why don't you find the source datasheet?
I can’t find one
Give details of the device.
I don’t have any details other than the pictures because my professor got it a while back and it was in a mix of other Arduino parts that’s why I came here because I know nothing about Arduinos and how to wire this
Are you trying to tell the world that your "professor" does not care about electromechanical characteristics of devices with which you are tasked to create circuits? How will your "professor" grade your project? What university? What class? What professor?
Why are you in the class?
It’s a programming class and we are supposed to find arduino projects to do for a final project off the internet. I love programming and want to make games in the future, so I’m making a game on the led board. I’m confident in my coding skills so all I need is to know how to wire it.
Cool. Read the numbers printed on the device and search for the datasheet. You only need the internet for that.
How times have changed. My friend designed a circuit around a small MCU to detect early stages of prostate cancer in adult males, and got a "B" Now you get a degree by making a game with junk drawer parts and other people's knowledge.
BL-M12A883xx.PDF
I found the data sheet for it but I'm still not too sure how to wire it. I could probably figure it out I just don't want to ruin it.
The "A" model is common cathode (-). Reverse bias the LEDs (keep all LEDs OFF) by holding the cathode HIGH or (and) the double-anodes LOW. To turn an LED ON, forward bias the LED color (+ to anode, - to cathode). Include current-limiting resistors on each non-common lead.
My Arduino doesn't have enough ports to connect every pin, so I wired just the necessary pins would this mess it up or not work?
Also, I used 220 resistors is that ok?
Electricity follows physics. Use the information you have and calculate your result.