Hi, I have a modelmaking "village" with some houses. I want to put LEDs in them and light them like this: 16 LEDs to be controlled individually (with two 7HC595s) (houses) 10 LEDs to be on or off at the same time (maybe with a transistor?) (street lights) If all LEDs are on, they draw about 26 *…

Power supply for LEDs

Grumpy_Mike November 9, 2012, 5:03pm 2

By using an external power supply to power the LEDs and arduino or by powering the LEDs and shift registers with a seprate supply. Join the grounds but not the plus.

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Power supply for LEDs

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