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 25, 2012, 4:26am 16

Yes that is better than nothing.
For best results they should be as close to the chip as possible.

Topic		Replies	Views
8 shift registers for a clock (64bit) LEDs and Multiplexing	11	5193	May 6, 2021
Shift Registers LEDs and Multiplexing	8	2999	May 6, 2021
100 LEDs LEDs and Multiplexing	22	11067	May 6, 2021
Buddys LED project-part 2 LEDs and Multiplexing	16	3852	May 6, 2021
Is it possible to light up 40+ LED with the minimal output pins? LEDs and Multiplexing	4	966	May 6, 2021