I'm using a TPIC6B595 to control a 12V RGB LED strip. It's wired with #G to ground, #SRCLR to +5V, and RCK/SRCK/SER IN to the Arduino Nano (on pins 10/13/11 respectively, which should be #CS/SCLK/MOSI in SPI mode). This program using shiftOut does work (cycles between blue/green/red, as expected): …

[SOLVED] Using SPI on Arduino Nano to control a shift register (TPIC6B595)

DrAzzy April 27, 2018, 5:24pm 4

How much LED strip are you hoping to drive with that TPIC6B595? 350mA per channel doesn't get you very much LED strip...

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