DIY RGB Matrix





First mark the spot where you want to add the LED’s on the foam rubber using some pen. I spaced them 20mm apart and printed some guides on a sheet of paper that i fixed on the rubber and pushed the LED’s through. After that I assembled one column and bended the R,G and B cathodes by 90 degree, shorted them at the next LED (using this one can only space the LED’s by the max. pin length) and solder the pins to next LED. So I proceeded all the way down. I did not cut the wires of the last LED, those I used to connect to the circuit board. After that I but some insulating tape on the connection to ovoid short circuits. After that I used the silver wire to connect the common anodes in a row. DONE !


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