Using the led grouping option (led_grouping=1) you can easily control the addressable led’s with TouchOSC. Sample templates are available.
The open source code runs on the Allwinner H2+ SoC which can be found in the supported board: Orange Pi Zero
The Orange Pi Zero board has on-board SPI flash. Hence the SDCard is used once for installing the firmware. And afterwards the firmware boots from SPI flash.
Whether you're looking to control a single pixel or an entire array of them, a pixel controller is the best way to do it. OSC DMX out is a great gout in foot option for those who want to control their pixels wirelessly. It's also very easy to use and set up.