Sunday, May 19, 2013

Power supply issues when using LiquidCrystal and WS2811

Power supply issues when using LiquidCrystal and WS2811

I have been attempting to run a 16x4 liquid crystal display with both an Arduino UNO and I have also used a MEGA.. I loose power to the screen (flickering, etc) when attempting to animate 29 WS2811 LEDs. So my question is, would there be another way of doing this to make it work off the arduino power? I know I have a few other options, such as power the leds separate, use a dual voltage power adapter, etc.. but I am looking for another solution... I know that I can power 60 WS2811 LEDs with 1 Arduino Nano without any issues.. So the arduino by itself can power 2x as many LEDS.. but its just the LCD is taking power also.. I am running a 12v 1amp power supply to the arduino power jack.

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