Replaces 7x5 RG matrix.
For column anode, row cathode (CARC) use ledarray.kicad_pcb
For row anode, column cathode (RACC) use ledarray-ca.kicad_pcb
LEDs are https://lcsc.com/product-detail/Light-Emitting-Diodes-LED_SMDLED-120-480mcd_C110903.html
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