Hi, I need to have: 12 LED's being run in a loop for 1 hour each (12 hours on a clock) an extra LED for each hour (12 in total) to blink during that hour 4 LED's to run in a look for 15 minutes each an extra LED for each of those also blinking could i do this with the 12 digital outputs on my u…

32 LED control with Arduino UNO

Grumpy_Mike March 24, 2012, 7:01pm 14

put it in series with +5 to pin 16 Vcc

I hope you put it in parallel with the 5V / ground.

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