Getting LED strips to work with Raspberry Pi


3v-led-schematic.png

Notice the 50Ohm: or you may be buroning off the LED/.

https://pypi.python.org/pypi/RPi.GPIO

http://raspberrywebserver.com/gpio/use-gpio-to-turn-on-an-led.html

http://www.thirdeyevis.com/pi-page-2.php

http://maxembedded.com/2014/07/using-raspberry-pi-gpio-using-python/

http://pi4j.com/example/control.html

http://iqjar.com/jar/controlling-the-raspberry-pis-gpio-pins-from-a-web-browser/

Running a 32-LED strip:

https://github.com/kalayl/led-strip-node

https://learn.adafruit.com/light-painting-with-raspberry-pi/hardware

To quote from above:

Instead of supplying power to the Raspberry Pi’s Micro USB connector, a 5 Volt DC power supply is required because the LED strip draws significantly more current than the USB input can provide. A 2 Amp power supply is sufficient for a 1 meter LED strip, while our larger 10 Amp supply can power up to 5 meters of LED strip (plus the Raspberry Pi board, in both situations).

+5V and ground from the power supply connect to the 5V and GND pins on both the LED strip and the Raspberry Pi GPIO header.

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