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LED Ring click is a mikroBUS add-on board with a ring of 32 red LEDs driven by four 8-bit 74HC595 serial-in, parallel-out shift registers. The ring is 25mm in diameter. The click communicates with the target MCU through the mikroBUS SPI interface, with RST, CS, SCK, MISO and MOSI pins marked MR#, LAT, CLK, DSOUT, DSIN, respectively. The board is designed to use either a 3.3V or 5V power supply only. |
