Python library for APA102 LEDs
Project description
APA102 Library
Pre-requisites
You must enable SPI:
- spi:
sudo raspi-config nonint do_spi 0
You can optionally run sudo raspi-config
or the graphical Raspberry Pi Configuration UI to enable interfaces.
Installing
Stable library from PyPi:
- Just run
python3 -m pip install apa102
Latest/development library from GitHub:
git clone https://github.com/pimoroni/apa102-python
cd apa102-python
sudo ./install.sh
Usage
The APA102 class will attempt to use spidev or RPi.GPIO depending on which pins you specify.
For example; three RGB LEDs connected to SPI pins 10 and 11 with chip-select 8 (CE0):
from apa102 import APA102
lights = APA102(3, 10, 11, 8)
You can then set individual pixels with set_pixel
:
lights.set_pixel(0, 255, 0, 0) # Pixel 1 to Red
lights.set_pixel(1, 0, 255, 0) # Pixel 2 to Green
lights.set_pixel(2, 0, 0, 255) # Pixel 3 to Blue
Pixels are zero-indexed and accept Red, Green and Blue colour values from 0 to 255.
Changelog
0.0.2
- Bugfixes and improvements
0.0.1
- Initial Release
Project details
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