Hi, I am looking at getting one of these led drivers from onsemi, http://www.onsemi.com/pub_link/Collateral/CAT4137-D.PDF to drive 5 superbright LEDS (3.3V, 20mA) using an Uno. I will turn the LEDs on/off using a single digital pin connected to SHDN on the driver. The application diagram in the d…

Using LED driver with Arduino

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